John Deere 8120 8220 8320 8420 and 8520 Tractors Diagnostics and Test Technical Manual TM1980 05AUG19

210 GENERAL
05 Safety
Recognize Safety Information 0002
Handle Fluids Safely Avoid Fires 0003
Prevent Battery Explosions 0004
Prepare for Emergencies 0005
Prevent Acid Burns 0006
Handle Agricultural Chemicals Safely 0007
Avoid High-Pressure Fluids 0008
Park Machine Safely 0009
Support Machine Properly 0010
Wear Protective Clothing 0011
Work in Clean Area 0012
Service Machines Safely 0013
Work In Ventilated Area 0014
Illuminate Work Area Safely 0015
Replace Safety Signs 0016
Use Proper Lifting Equipment 0017
Remove Paint Before Welding or Heating 0018
Avoid Heating Near Pressurized Fluid Lines 0019
Keep ROPS Installed Properly 0020
Service Tires Safely 0021
Avoid Harmful Asbestos Dust 0022
Practice Safe Maintenance 0023
Use Proper Tools 0024
Dispose of Waste Properly 0025
Prevent Machine Runaway 0026
Handle Starting Fluid Safely 0027
Service Cooling System Safely 0028
Stay Clear of Rotating Drivelines 0029
Protect Against High Pressure Spray 0030
Construct Dealer-Made Tools Safely 0031
Clean Vehicle of Hazardous Pesticides 0032
Live With Safety 0033
15 General References
Reference 210-15-001, General Reference List 0034
Reference 210-15-002, Bolt and Cap Screw Torque Values 0035
Reference 210-15-003, Glossary of Terms 0036
Reference 210-15-004, JIC Hydraulic Symbols 0037
Reference 210-15-005, Wiring Diagram and Schematic Information 0038
Reference 210-15-006, Electrical Schematic Symbols 0039
Reference 210-15-007, Reading Wiring Schematics and Drawings 0040
Reference 210-15-008, Visually Inspect Electrical System 0041
Reference 210-15-009, Seven Step Electrical Procedure With probe light or multimeter 0042
Reference 210-15-010, Using a Probe Light 0043
Reference 210-15-011, Circuit Types 0044
Reference 210-15-012, Circuit Malfunctions 0045
Reference 210-15-013, Troubleshooting Circuit Malfunctions 0046
Reference 210-15-014, Understanding Electrical vs. Electronic Circuits 0047
Reference 210-15-015, Intermittent Electronic Problems 0048
Reference 210-15-016, Relay Circuit Types 0049
Reference 210-15-017, Using a Digital Multimeter 0050
211 SERVICE CODES
ACU ACU Code Diagnostics
Specifications 0051
ACU 002 – SCV Lever Calibration Fault 0052
ACU 003 – Throttle or Hitch Controls Calibration Fault 0053
ACU 027 – Calibration Incomplete 0054
ACU 028 – ACU Not Calibrated 0055
ACU 030 – Engine Throttle Control Fault 0056
ACU 040 – Transmission Shift Lever Fault 0057
ACU 041 – ACU Powered Up In Gear 0058
ACU 042 – Transmission Lever Park Position Switch Conflict 0059
ACU 049 – Hitch Raise / Lower Rocker Switch On at Start-up 0060
ACU 053 – Hitch Load / Depth Control Circuit Fault 0061
ACU 054 – Hitch Control Lever Circuit Fault 0062
ACU 056 – Hitch Raise Limit Control Circuit Fault 0063
ACU 057 – Hitch Rate-of-Drop Control Circuit Fault 0064
ACU 070 – IMS Switch Fault 0065
ACU 071 – Auto Resume Switch Fault 0066
ACU 110 – SCV 1 Control Voltage Fault 0067
ACU 111 – SCV 1 Control Switch Fault 0068
ACU 120 – SCV 2 Control Voltage Fault 0069
ACU 121 – SCV 2 Control Switch Fault 0070
ACU 130 – SCV 3 Control Voltage Fault 0071
ACU 131 – SCV 3 Control Switch Fault 0072
ACU 140 – SCV 4 Control Voltage Fault 0073
ACU 141 – SCV 4 Control Switch Fault 0074
ACU 150 – SCV 5 Control Voltage Fault 0075
ACU 151 – SCV 5 Control Switch Fault 0076
ACU 155 – ACU Control Unit Software Error 0077
AMS AMS General Diagnostic Codes
20 – CAN Bus Problem 0078
21 – CAN Bus Problem 0079
22 – Language Selection Problem 0080
30 – CAN Bus Problem 0081
31 – CAN Bus Problem 0082
33 – Internal Error 0083
40 – Parallel Tracking Problem 0084
41 – Parallel Tracking Problem 0085
44 – Parallel Tracking Problem 0086
45 – Parallel Tracking Problem 0087
46 – Parallel Tracking Problem 0088
47 – Device Address Change 0089
48 – CAN Bus Problem 0090
49 – CAN Bus Problem 0091
50 – Automatic Steering Problem 0092
52 – CAN Bus Problem 0093
53 – CCD Bus Problem 0094
54 – CAN Bus Problem 0095
55 – AutoTrac Problem 0096
60 – Flash Erase Failed 0097
61 – Contour Write Error 0098
100 – KeyCard Problem 0099
110 – Check Wiring (CAN Bus) 0100
111 – Check Wiring (CCD) 0101
126 – AutoTrac disabled 0102
128 – Software not compatible 0103
150 – PC Data Card Problem 0104
151 – PC Data Card Problem 0105
152 – PC Data Card Problem 0106
155 – KeyCard Problem 0107
156 – KeyCard Problem 0108
157 – Invalid Key 0109
158 – KeyCard Problem 0110
200 – CAN Bus Problem 0111
201 – CAN Bus Problem 0112
210 – CAN Bus Problem 0113
211 – CAN Bus Problem 0114
213 – Internal Error 0115
220 – Parallel Tracking Problem 0116
221 – Parallel Tracking Problem 0117
224 – Parallel Tracking Problem 0118
225 – Parallel Tracking Problem 0119
226 – Parallel Tracking Problem 0120
227 – Automatic Steering Problem 0121
230 – Display Address Change 0122
231 – CAN Bus Problem 0123
232 – CAN Bus Problem 0124
233 – Language Selection Problem 0125
234 – CAN Bus Problem 0126
235 – CAN Bus Problem 0127
236 – AutoTrac Problem 0128
280 – Mobile Processor Problem 0129
281 – Mobile Processor Problem 0130
282 – Mobile Processor Problem 0131
301 – Receiver Problem 0132
302 – Receiver Problem 0133
303 – Receiver Problem 0134
304 – Receiver Problem 0135
305 – Receiver Problem 0136
306 – Receiver Problem 0137
308 – RTK Problem 0138
000168.18 – RTK Base Station Voltage Low 0139
000232.02 – Corrected GPS Position Not Available 0140
000232.14 – RTK Extend Lost 0141
000841.31 – Signal Interference From Satellite 0142
000956.16 – Roll Sensor Out Of Range 0143
002028.12 – No Communication 0144
002146.13 – Terrain Compensation Module Not Calibrated 0145
002146.14 – Temperature Sensor Out Of Range 0146
002854.31 – RTK Rover Radio Link Lost 0147
522338.13 – Receiver Not Receiving On Alternate Frequency 0148
522339.31 – GPS Corrections License Expired 0149
522552.11 – STARFIRE Network Fault 0150
523274.02 – GPS Position Not Available 0151
523309.07 – Yaw Sensor Not Responding 0152
523309.16 – Yaw Sensor Out Of Range 0153
523310.02 – Memory Error 0154
523319.18 – Low Switched Voltage 0155
523342.31 – No Fore/Aft Setting 0156
523441.31 – No Height Setting 0157
523442.31 – No STARFIRE Fore/Aft Set 0158
523572.31 – Unsafe Shutdown – Parameters Not Stored 0159
523773.03 – CAN Voltage Out Of Range 0160
523773.04 – CAN Voltage Out Of Range 0161
523774.03 – CAN Voltage Out Of Range 0162
523774.04 – CAN Voltage Out Of Range 0163
523792.01 – No Unswitched Voltage 0164
523792.18 – Low Unswitched Voltage 0165
524209.16 – RTK Rover Too Far From Base Station 0166
524210.16 – RTK Base Station Not Using Visible Satellites 0167
524257.14 – RTK Base Station Position Survey In Progress 0168
524257.16 – RTK Base Station Position Survey In Progress 0169
ASU ASU Code Diagnostics
Specifications 0170
ASU 010 – Seat Position Voltage Fault 0171
ASU 012 – Accelerometer Voltage Fault 0172
ASU 020 – System Supply Voltage Fault 0173
ASU 021 – ASU Supply Voltage Low 0174
ASU 022 – Sensor Supply Voltage Fault 0175
ASU 026 – Flow Control Valve Not Calibrated 0176
ASU 027 – Seat Position Sensor Not Calibrated 0177
ASU 028 – ASU Not Calibrated 0178
ASU 031 – Flow Control Valve Circuit Fault 0179
ASU 033 – Pressure Control Valve Circuit Fault 0180
ASU 035 – Compressor Relay Circuit Fault 0181
ASU 036 – Compressor Time-Out 0182
ASU 037 – Vent Valve Circuit Fault 0183
ASU 038 – Vent Valve Time-Out 0184
ASU 050 – Seat Above Ride Zone 0185
ASU 111 – Seat Height Switch Fault 0186
ASU 113 – Seat Firmness Switch Fault 0187
ASU 120 – ASU CCD Bus Fault 0188
ASU 121 – Tractor Wheel Speed Message Missing 0189
ASU 122 – Hydraulic Oil Level Message Missing 0190
ASU 123 – Hydraulic Oil Temperature Message Missing 0191
ASU 124 – Engine Speed Message Missing 0192
ASU 125 – Diagnostic Fuse Status Message Missing 0193
ASU 207 – ASU Watchdog Reset Detected 0194
ATC ATC Code Diagnostics
Specifications 0195
ATC 01.3 – Cab Temperature Sensor Circuit Voltage High 0196
ATC 01.4 – Cab Temperature Sensor Circuit Voltage Low 0197
ATC 03.3 – Ambient Temperature Sensor Circuit Voltage High 0198
ATC 03.4 – Ambient Temperature Sensor Circuit Voltage Low 0199
ATC 07.3 – Outlet Air Temperature Sensor Circuit Voltage High 0200
ATC 07.4 – Outlet Air Temperature Sensor Circuit Voltage Low 0201
ATC 08.3 – Evaporator Temperature Sensor Circuit Voltage High 0202
ATC 08.4 – Evaporator Temperature Sensor Circuit Voltage Low 0203
ATC 09.1 – Excessive A/C Clutch Cycling 0204
ATC 10.3 – Cab Temperature Control Circuit Voltage High 0205
ATC 10.4 – Cab Temperature Control Circuit Voltage Low 0206
ATC 11.3 – Blower Control Circuit Voltage High 0207
ATC 11.4 – Blower Control Circuit Voltage Low 0208
ATC 12.3 – Water Valve Position Sensor Circuit Voltage High 0209
ATC 12.4 – Water Valve Position Sensor Circuit Voltage Low 0210
ATC 13.1 – Water Valve Motor Not Calibrated 0211
ATC 13.3 – Water Valve Motor Circuit Voltage High 0212
ATC 13.4 – Water Valve Motor Circuit Voltage Low 0213
ATC 13.7 – Water Valve Motor Mechanical Fault 0214
ATC 14.3 – Air Flow Mode Position Sensor Circuit Voltage High 0215
ATC 14.4 – Air Flow Mode Position Sensor Circuit Voltage Low 0216
ATC 15.1 – Air Flow Mode Motor Not Calibrated 0217
ATC 15.5 – Air Flow Mode Motor Circuit Voltage High 0218
ATC 15.6 – Air Flow Mode Motor Circuit Voltage Low 0219
ATC 15.7 – Air Flow Mode Motor Mechanical Fault 0220
ATC 16.3 – Compressor Clutch Circuit Voltage High 0221
ATC 16.4 – Compressor Clutch Circuit Voltage Low 0222
ATC 17.3 – Pressurizer Blower Motor Circuit Voltage High 0223
ATC 17.4 – Pressurizer Blower Motor Circuit Voltage Low 0224
ATC 18.3 – Circulation Blower Motor Circuit Voltage High 0225
ATC 18.4 – Circulation Blower Motor Circuit Voltage Low 0226
ATC 19.1 – Circulation Blower Motor Driver Circuit Fault 0227
ATC 20.3 – ATC Supply Voltage High 0228
ATC 20.4 – ATC Supply Voltage Low 0229
ATC 22.1 – ATC Memory Fault 0230
ATC 23.2 – ATC Control Unit Fault 0231
ATC 24.1 – ATC CAN Bus Fault 0232
ATC 24.9 – ATC CAN Bus Fault 0233
ATC 25.5 – Compressor Shutoff Due to Engine Overheat 0234
ATC 26.9 – ECU CAN Message Missing 0235
CCU CCU Code Diagnostics
Specifications 0236
CCU 001 – Fuel Level Sensor Fault 0237
CCU 005 – Engine Oil Pressure Gauge Sensor Fault 0238
CCU 006 – Diagnostic Messages From ECU Missing 0239
CCU 007 – Engine Power Level Code Mismatch 0240
CCU 014 – Engine Coolant Temperature Message Missing 0241
CCU 015 – Hydraulic Oil Temperature High 0242
CCU 016 – Hydraulic Oil Temperature Very High 0243
CCU 017 – Hydraulic Oil Temperature Circuit Open 0244
CCU 018 – Hydraulic Oil Temperature Circuit Short 0245
CCU 019 – Hydraulic Oil Temperature Low 0246
CCU 020 – Engine Oil Pressure Low by Sensor 0247
CCU 021 – Engine Oil Pressure Low 0248
CCU 022 – Engine Oil Pressure Switch Circuit Open 0249
CCU 023 – Engine Speed Signal Missing 0250
CCU 024 – COR Level Switch Circuit Open 0251
CCU 026 – Transmission Oil Pressure Low 0252
CCU 027 – Park Brake Pressure Sensor Circuit Open 0253
CCU 030 – Engine Air Filter Restricted 0254
CCU 045 – CCU Supply Voltage Low w/ Engine Running 0255
CCU 046 – CCU Supply Voltage Low w/ Engine Running >1500 rpm 0256
CCU 047 – CCU Supply Voltage High w/ Engine Running 0257
CCU 049 – CCU Supply Voltage Very High w/ Engine Running 0258
CCU 050 – Hydraulic Oil Filter Restricted 0259
CCU 051 – CCD Messages From EHO Missing 0260
CCU 055 – CCU Address 23 Configuration Invalid 0261
CCU 062 – COR Low For Normal Operation 0262
CCU 063 – COR Low Too Long 0263
CCU 067 – CCU Sensor Power Circuit Fault 0264
CCU 068 – PTO Overspeed 0265
CCU 069 – 4R / 5R PTO Inhibit 0266
CCU 070 – Operator Not Seated w/ Rear PTO On 0267
CCU 071 – PTO Switch On at Power Up 0268
CCU 072 – Rear PTO Switch Circuit Conflict 0269
CCU 073 – Rear PTO Solenoid Circuit Fault 0270
CCU 075 – Rear PTO Speed Slow 0271
CCU 076 – Rear PTO Calibration Fault 0272
CCU 080 – Differential Lock Switch Circuit Fault 0273
CCU 081 – Differential Lock Solenoid Circuit Fault 0274
CCU 085 – MFWD Switch Circuit Fault 0275
CCU 086 – MFWD Circuit Fault w/ Switch OFF 0276
CCU 093 – Intake Manifold Air Temperature Message Missing 0277
CCU 095 – Throttle Command Signal From ACU Missing 0278
CCU 096 – Foot Throttle Voltage Signal Low 0279
CCU 097 – Foot Throttle Voltage Signal High 0280
CCU 098 – Engine Oil Pressure Switch Fault 0281
CCU 100 – Park Brake Pressure Sensor Fault 0282
CCU 107 – IMS Not Responding Due to HCU 0283
CCU 108 – Sensor Supply Voltage Fault 0284
CCU 109 – Water In Fuel Sensor 0285
CCU 110 – Water in Fuel Sensor Signal Missing 0286
CCU 125 – Turn Signal Switch Circuit Conflict 0287
ECU ECU Code Diagnostics
ECU 021 – Sensor Supply 1 Voltage High 0288
ECU 022 – Sensor Supply 1 Voltage Low 0289
ECU 023 – (SPN-105 FMI-3) Manifold Air Temperature Input Voltage High 0290
ECU 024 – (SPN-105 FMI-4) Manifold Air Temperature Input Voltage Low 0291
ECU 025 – (SPN-110 FMI-3) Engine Coolant Temperature Input Voltage High 0292
ECU 026 – (SPN-110 FMI-4) Engine Coolant Temperature Input Voltage Low 0293
ECU 027 – Throttle #1 CAN Invalid 0294
ECU 029 – Torque Curve Selection Error 0295
ECU 037 – Fuel Temperature Input Voltage High 0296
ECU 038 – Fuel Temperature Input Voltage Low 0297
ECU 042 – Engine Overspeed Extreme 0298
ECU 056 – (SPN-1639 FMI-1) Fan Speed Signal Missing 0299
ECU 057 – (SPN-1639 FMI-18) Fan Speed Lower Than Expected 0300
ECU 058 – (SPN-174 FMI-4) Fan Speed Higher Than Expected 0301
ECU 062 – (SPN-110 FMI-16) Engine Coolant Temperature Moderately High 0302
ECU 063 – (SPN-110 FMI-0) Engine Coolant Temperature Extremely High 0303
ECU 066 – Manifold Air Temperature Moderately High 0304
ECU 067 – Engine Shutdown 0305
ECU 068 – (SPN-1569 FMI-31) Fuel Derate 0306
ECU 081 – Fuel Temperature Moderately High 0307
ECU 083 – Auxiliary Engine Shutdown Switch Active 0308
ECU 084 – ECU Power Down Error 0309
ECU 088 – Pump Control Valve #1 Fuel Flow Not Detected 0310
ECU 089 – Pump Control Valve #2 Fuel Flow Not Detected 0311
ECU 090 – Fuel Rail Pressure Higher Than Expected 0312
ECU 091 – Cylinder #1 Electronic Injector Circuit Shorted 0313
ECU 092 – Cylinder #2 Electronic Injector Circuit Shorted 0314
ECU 093 – Cylinder #3 Electronic Injector Circuit Shorted 0315
ECU 094 – Cylinder #4 Electronic Injector Circuit Shorted 0316
ECU 095 – Cylinder #5 Electronic Injector Circuit Shorted 0317
ECU 096 – Cylinder #6 Electronic Injector Circuit Shorted 0318
ECU 097 – Electronic Injector Supply Voltage Problem 0319
ECU 098 – Electronic Injector Wiring Shorted to Power Source 0320
ECU 099 – Electronic Injector Wiring Shorted to Ground 0321
ECU 110 – Cylinder #1 Electronic Injector Mechanical Failure 0322
ECU 120 – Cylinder #2 Electronic Injector Mechanical Failure 0323
ECU 127 – Fuel Rail Pressure Input Voltage High 0324
ECU 129 – Fuel Rail Pressure Input Voltage Low 0325
ECU 130 – Cylinder #3 Electronic Injector Mechanical Failure 0326
ECU 131 – Cylinder #1 Electronic Injector Circuit Open 0327
ECU 132 – Cylinder #2 Electronic Injector Circuit Open 0328
ECU 133 – Cylinder #3 Electronic Injector Circuit Open 0329
ECU 134 – Cylinder #4 Electronic Injector Circuit Open 0330
ECU 135 – Cylinder #5 Electronic Injector Circuit Open 0331
ECU 136 – Cylinder #6 Electronic Injector Circuit Open 0332
ECU 140 – Cylinder #4 Electronic Injector Mechanical Failure 0333
ECU 141 – Crank Position Input Missing 0334
ECU 142 – Crank Position Input Noise or Pattern Error 0335
ECU 143 – Event Sensor Input Missing 0336
ECU 144 – Event Sensor Input Noise or Pattern Error 0337
ECU 145 – ECU/Pump Timing Moderately Out of Sync 0338
ECU 150 – Cylinder #5 Electronic Injector Mechanical Failure 0339
ECU 160 – Cylinder #6 Electronic Injector Mechanical Failure 0340
ECU 171 – Fuel Rail Pressure Loss Detected 0341
ECU 172 – Fuel Rail Pressure Not Developed 0342
ECU 173 – Fuel Rail Pressure Sensor Supply Voltage High 0343
ECU 174 – Fuel Rail Pressure Sensor Supply Voltage Low 0344
ECU 175 – Water in Fuel Detected 0345
ECU 176 – Water in Fuel Signal Voltage High or Low 0346
ECU 177 – Pump Control Valve #1 Error 0347
ECU 178 – Fuel Rail Pressure Control Error 0348
ECU 179 – Pump Control Valve #2 Error 0349
EHo EHo Code Diagnostics
Specifications 0350
EHo 010 – Left Cylinder Position Sensor Fault 0351
EHo 011 – Right Cylinder Position Sensor Fault 0352
EHo 013 – Left Cylinder Position Sensor Range Fault 0353
EHo 014 – Right Cylinder Position Sensor Range Fault 0354
EHo 017 – Front Brake Fill Pressure Sensor Fault 0355
EHo 018 – Hand Brake Position Sensor Fault 0356
EHo 019 – Hand Brake Position Sensor Range Fault 0357
EHo 021 – System Supply Voltage Fault 0358
EHo 022 – EHo System Supply Voltage Fault 0359
EHo 023 – EHO System Voltage Fault 0360
EHo 037 – Front Suspension Calibration Fault 0361
EHo 038 – Front Suspension Not Calibrated 0362
EHo 047 – Front Brake System Calibration Fault 0363
EHo 048 – Front Brake Valve Not Calibrated 0364
EHo 065 – Hand Brake Position Conflict and Switch Open 0365
EHo 067 – Hand Brake Position and Switch Conflict 0366
EHo 068 – Front Brake Solenoid Current and Pressure Data Conflict 0367
EHo 069 – Hand Brake Engaged / Disengaged Switch Conflict 0368
EHo 090 – Low Oil Condition 0369
EHo 101 – Suspension Positioning Correction Fault 0370
EHo 102 – Raise Command Active But Chassis Lowering 0371
EHo 103 – Lower Command Active But Chassis Raising 0372
EHo 120 – EHo CCD Bus Fault 0373
EHo 121 – Tractor Wheel Speed Message Missing 0374
EHo 122 – COR Level Status Missing 0375
EHo 123 – Engine Speed Message Missing 0376
EHo 125 – Brake Pedal Switch Status Missing 0377
EHo 127 – Differential Lock Switch Status Missing 0378
EHo 128 – Hitch Up / Down Switch Status Missing 0379
EHo 129 – Hitch Position Message Missing 0380
EHo 130 – SCV 1-3 Status Missing 0381
EHo 132 – Rear PTO Status Missing 0382
EHo 133 – Transmission Lever Message Missing 0383
EHo 134 – SCV 1 Lever Position Status Missing 0384
EHo 135 – Secondary Hand Brake Status Missing 0385
EHo 161 – Front Brake Solenoid Circuit Fault 0386
EHo 163 – Front Brake Solenoid Calibration Fault 0387
EHo 170 – SCV 1 Failure During Front Suspension Calibration 0388
EHo 171 – Raise / Lower Solenoid Circuit Fault 0389
EHo 172 – Raise Solenoid Circuit Fault 0390
EHo 181 – Unlock Solenoid Circuit Fault 0391
EHo 182 – Lock Solenoid Circuit Fault 0392
EHo 191 – Differential Lock Solenoid Circuit Fault 0393
HCU HCU Code Diagnostics
Specifications 0394
HCU 022 – HCU Supply Voltage Fault 0395
HCU 027 – Calibration Incomplete 0396
HCU 028 – HCU Not Calibrated 0397
HCU 029 – Calibration Recall 0398
HCU 040 – Valve Harness Connections Invalid 0399
HCU 041 – Pressure Valve Solenoid Circuit Fault 0400
HCU 042 – Return Valve Solenoid Circuit Fault 0401
HCU 043 – Pressure Valve Calibration Fault 0402
HCU 044 – Return Valve Calibration Fault 0403
HCU 045 – Sensor Power Fault 0404
HCU 049 – Raise / Lower Rocker Switch Circuit Fault 0405
HCU 050 – Control Unit Fault 0406
HCU 052 – Hitch Draft Sensor Circuit Fault 0407
HCU 053 – Hitch Load / Depth Control Circuit Fault 0408
HCU 054 – Hitch Control Lever Circuit Fault 0409
HCU 055 – Hitch Position Sensor Circuit Fault 0410
HCU 056 – Hitch Raise Limit Control Circuit Fault 0411
HCU 057 – Hitch Rate-of-Drop Control Circuit Fault 0412
HCU 058 – External Raise / Lower Switch Circuit Fault 0413
HCU 060 – HCU CCD Bus Fault 0414
HCU 090 – Hitch Raise Disabled Due to Low Oil Level 0415
ICU ICU Code Diagnostics
Specifications 0416
ICU 094 – Membrane Switch Stuck 0417
ICU 095 – ICU CCD Bus Fault 0418
ICU 096 – Air Brake Pressure Low 0419
ICU 098 – Transmission Come Home Mode 0420
ICU 099 – ICU Memory Fault 0421
JdL JdL Code Diagnostics
JdL 000629.12 – Control Unit Fault 0422
JdL 000964.13 – Invalid Time/Date 0423
JdL 001542.04 – Control Unit Voltage Low 0424
JdL 298872.31 – Machine Data Configuration Fault 5 0425
JdL 298873.31 – Machine Data Configuration Fault 4 0426
JdL 298874.31 – Machine Data Configuration Fault 3 0427
JdL 298875.31 – Machine Data Configuration Fault 2 0428
JdL 298876.31 – Machine Data Configuration Fault 1 0429
JdL 298877.31 – Modem Fault 0430
JdL 298878.31 – Line Busy 0431
JdL 298879.31 – Cellular Signal Weak or No Service 0432
JdL 298880.31 – Call Unanswered 0433
JdL 298881.18 – GPS Lock Lost 0434
JdL 298882.31 – GPS Lock Fault 0435
JdL 298883.31 – CAN Bus Fault 0436
JdL 298884.31 – CCD Bus Fault 0437
JdL 298885.31 – Control Unit Memory Capacity Exceeded 0438
JdL 298886.31 – Control Unit Power Limit Exceeded 0439
JdL 298887.31 – Control Unit Configuration and Machine PIN Conflict 0440
JdL 299613.31 – Data Download Fault 0441
JdL 299614.31 – Data Upload Fault 0442
JdL 299615.31 – Cellular Bit Error Rate too High 0443
JdL 299616.31 – Call Disconnected 0444
JdL 299617.31 – Data Exchange Fault 0445
JdL 299618.31 – Communications Service Identification Module Fault 0446
JdL 299619.31 – Cellular Personal Identification Number Blocked 0447
JdL 299620.31 – GPS Antenna/Cable Fault 0448
JdL 299630.12 – Calibration Memory Fault 0449
JdL 299639.14 – JdL CAN Error Limit Exceeded 0450
JdL 299841.12 – GPS Fault 0451
JdL 299841.31 – GPS Not Available 0452
PCU PCU Code Diagnostics
Specifications 0453
PCU 004 – No Load Torque Message Missing 0454
PCU 005 – Fuel Flow Message From ECU Missing 0455
PCU 006 – Engine Speed Too High For Down Shift 0456
PCU 007 – No Load Torque Calibration Fault 0457
PCU 011 – Engine Speed Too Low For Wheel Speed 0458
PCU 012 – Shift Above 14F Attempted w/ Oil Temperature Low 0459
PCU 013 – Park Brake Pressure Present in Park w/ Engine Running 0460
PCU 014 – Shifting Above 13F or 3R w/ Clutch Pressure Circuit Open 0461
PCU 015 – Clutch Pressure Sensor Circuit Open 0462
PCU 016 – Clutch Pressure Sensor Circuit Open >5 Minutes 0463
PCU 017 – Operator Not Seated w/ Transmission in Neutral 0464
PCU 018 – Excessive Heat in C-Clutch (CC) or D-Clutch (DC) Transmission 0465
PCU 019 – Park Brake Pressure Sensor Circuit Open 0466
PCU 020 – Seat Switch Circuit Fault 0467
PCU 021 – Clutch Pressure Sensor Fault 0468
PCU 022 – Excessive Engine Load in 4R or 5R 0469
PCU 024 – Park Brake Previously Failed / May Not Hold 0470
PCU 025 – Tractor Motion w/ Park Brake Engaged 0471
PCU 026 – Tractor Motion While Shifting to Park 0472
PCU 027 – Transmission Not Calibrated 0473
PCU 028 – A Brake (AB) or B Clutch (BC) Slipping Too Long 0474
PCU 029 – Park Brake Pressure Low / Will Not Release 0475
PCU 030 – Clutch Pressure Sensor and Clutch Disengage Switch Circuit Conflict 0476
PCU 031 – Clutch Slipping Too Long 0477
PCU 032 – Clutch 1 (C1) Valve Circuit Fault 0478
PCU 033 – Clutch 2 (C2) Valve Circuit Fault 0479
PCU 034 – Clutch 3 (C3) Valve Circuit Fault 0480
PCU 035 – Clutch 4 (C4) Valve Circuit Fault 0481
PCU 036 – A-Brake (AB) Valve Circuit Fault 0482
PCU 037 – B-Clutch (BC) Valve Circuit Fault 0483
PCU 038 – Control Unit Fault 0484
PCU 039 – Reverse Enable Circuit Fault 0485
PCU 040 – Forward Enable Circuit Fault 0486
PCU 041 – Forward and Reverse Enable Circuits Conflict 0487
PCU 042 – Gear Command and Enabled Circuit Conflict 0488
PCU 043 – Gear Command and Enabled Circuit Conflict 0489
PCU 044 – Gear Command and Not-Neutral Signal Conflict 0490
PCU 045 – Gear Command and Not-Neutral Signal Conflict 0491
PCU 046 – Neutral or Park Commanded / Forward or Reverse Enabled 0492
PCU 048 – PCU Supply Voltage Low w/ Engine Running 0493
PCU 049 – Auto Purge Complete 0494
PCU 050 – Gear Commanded w/ Engine OFF 0495
PCU 051 – No Tractor Motion w/ Engine Running 0496
PCU 053 – C-Clutch (CC) Valve Circuit Fault 0497
PCU 054 – D-Clutch (DC) Valve Circuit Fault 0498
PCU 055 – Reverse Clutch (CR) Valve Circuit Fault 0499
PCU 056 – Park Valve Circuit Fault / Park Engaged 0500
PCU 058 – Tractor Motion During Calibration 0501
PCU 060 – Power Up in Gear 0502
PCU 062 – Operator Not Seated When Shifted Into Gear 0503
PCU 063 – Control Unit Fault 0504
PCU 065 – Control Unit Fault 0505
PCU 067 – Start In Gear Circuit Fault 0506
PCU 069 – Calibration Fault 0507
PCU 070 – Gear Command From ACU Missing 0508
PCU 072 – Control Unit Fault 0509
PCU 073 – Control Unit Fault 0510
PCU 074 – Control Unit Fault 0511
PCU 075 – Control Unit Fault 0512
SCU SCU Code Diagnostics
Specifications 0513
SCU 022 – SCU Supply Voltage Fault 0514
SCU 023 – SCU Supply Voltage Fault (F6) 0515
SCU 027 – Calibration Incomplete 0516
SCU 028 – SCU Not Calibrated 0517
SCU 029 – Calibration Recall 0518
SCU 040 – Valve Harness Connections Invalid 0519
SCU 045 – Sensor Power Fault 0520
SCU 047 – Hitch Following Sensor Power Fault 0521
SCU 048 – Remote Sensor 1 Voltage Fault 0522
SCU 049 – Remote Sensor 2 Voltage Fault 0523
SCU 060 – SCU CCD Bus Fault 0524
SCU 061 – No Data From External Device >1 Second 0525
SCU 090 – SCV Function Disabled Due to Low Oil Level 0526
SCU 098 – Option Pin Configuration Invalid at Start-Up 0527
SCU 099 – SCU Option Connection Change 0528
SCU 100 – Operator Not Seated w/SCV in Detented Flow 0529
SCU 101 – Remote Sensor 1 Voltage Fault 0530
SCU 102 – Remote Sensor 2 Voltage Fault 0531
SCU 103 – Cancellation of External Control 0532
SCU 109 – External Command Failure Indication 0533
SCU 110 – SCV 1 Control Lever Circuit Fault 0534
SCU 111 – SCV 1 Extend Valve Fault 0535
SCU 112 – SCV 1 Retract Valve Fault 0536
SCU 113 – SCV 1 Extend Valve Calibration Fault 0537
SCU 114 – SCV 1 Retract Valve Calibration Fault 0538
SCU 115 – Insufficient Current for SCV 1 Float 0539
SCU 120 – SCV 2 Control Lever Circuit Fault 0540
SCU 121 – SCV 2 Extend Valve Fault 0541
SCU 122 – SCV 2 Retract Valve Fault 0542
SCU 123 – SCV 2 Extend Valve Calibration Fault 0543
SCU 124 – SCV 2 Retract Valve Calibration Fault 0544
SCU 125 – Insufficient Current for SCV 2 Float 0545
SCU 130 – SCV 3 Control Lever Circuit Fault 0546
SCU 131 – SCV 3 Extend Valve Fault 0547
SCU 132 – SCV 3 Retract Valve Fault 0548
SCU 133 – SCV 3 Extend Valve Calibration Fault 0549
SCU 134 – SCV 3 Retract Valve Calibration Fault 0550
SCU 135 – Insufficient Current for SCV 3 Float 0551
SCo SCo Code Diagnostics
Specifications 0552
SCo 022 – SCo Supply Voltage Fault 0553
SCo 027 – Calibration Incomplete 0554
SCo 028 – SCo Not Calibrated 0555
SCo 029 – Calibration Recall 0556
SCo 040 – Valve Harness Connections Invalid 0557
SCo 041 – Valve Harness Connections Invalid 0558
SCo 042 – Front Hitch Harness Connections Invalid 0559
SCo 045 – Sensor Power Fault 0560
SCo 047 – Hitch Following Sensor Power Fault 0561
SCo 048 – Remote Sensor 1 Voltage Fault 0562
SCo 049 – Remote Sensor 2 Voltage Fault 0563
SCo 058 – External Raise/Lower Switch Circuit Fault 0564
SCo 059 – External Raise/Lower Switch Position Fault 0565
SCo 060 – SCo CCD Bus Fault 0566
SCo 061 – No Data From External Device >1 Second 0567
SCo 090 – SCV Function Disabled Due to Low Oil Level 0568
SCo 098 – Option Pin Configuration Invalid at Start-Up 0569
SCo 099 – SCo Option Connection Change 0570
SCo 100 – Operator Not Seated w/ SCV in Detented Flow 0571
SCo 101 – Remote Sensor 1 Voltage Fault 0572
SCo 102 – Remote Sensor 2 Voltage Fault 0573
SCo 140 – SCV 4 Control Lever Circuit Fault 0574
SCo 141 – SCV 4 Extend Valve Fault 0575
SCo 142 – SCV 4 Retract Valve Fault 0576
SCo 143 – SCV 4 Extend Valve Calibration Fault 0577
SCo 144 – SCV 4 Retract Valve Calibration Fault 0578
SCo 145 – Insufficient Current for SCV 4 Float 0579
SCo 150 – SCV 5 Control Lever Circuit Fault 0580
SCo 151 – SCV 5 Extend Valve Fault 0581
SCo 152 – SCV 5 Retract Valve Fault 0582
SCo 153 – SCV 5 Extend Valve Calibration Fault 0583
SCo 154 – SCV 5 Retract Valve Calibration Fault 0584
SCo 155 – Insufficient Current for SCV 5 Float 0585
SSU SSU Code Diagnostics
Specifications 0586
SSU 001 – Control Unit Fault 0587
SSU 002 – Control Unit Fault 0588
SSU 004 – Vehicle Mismatch 0589
SSU 005 – Front Axle Mismatch 0590
SSU 008 – Activation Code Invalid 0591
SSU 020 – SSU Not Calibrated 0592
SSU 021 – Steering Valve Supply Voltage Low 0593
SSU 029 – SSU EOL Data Fault 0594
SSU 030 – SSU Supply Voltage Fault 0595
SSU 031 – Sensor Supply Voltage Fault 0596
SSU 041 – Steering Wheel Position Sensor 1 Supply Voltage Fault 0597
SSU 042 – Steering Wheel Position Sensor 1 Current Fault 0598
SSU 043 – Steering Wheel Position Sensor 1 Signal Fault 0599
SSU 045 – Steering Wheel Position Sensor 1 Signal Mismatch 0600
SSU 051 – Steering Wheel Position Sensor 2 Supply Voltage Fault 0601
SSU 052 – Steering Wheel Position Sensor 2 Current Fault 0602
SSU 053 – Steering Wheel Position Sensor 2 Signal Fault 0603
SSU 055 – Steering Wheel Position Sensor 2 Signal Mismatch 0604
SSU 065 – Steering Movement Occurred with No Steering Wheel Signal Detected 0605
SSU 066 – Steering Input Device Calibration Fault 0606
SSU 100 – Operator Presence Switch Circuit Fault 0607
SSU 101 – Operator Presence Switch Circuit Fault 0608
SSU 111 – Steering Valve Fault 0609
SSU 112 – Steering Valve Circuit Short 0610
SSU 153 – Steering Angle Sensor Calibration Fault 0611
SSU 156 – Steering Angle Sensor Circuit Fault 0612
SSU 158 – Steering Angle Sensor Low or No Motion–Manual Mode 0613
SSU 159 – Steering Direction Signal Conflict 0614
SSU 160 – Steering Angle Sensor Current High 0615
SSU 161 – Steering Angle Sensor Current Low 0616
SSU 182 – No Wheel Motion Detection–AutoTrac Mode 0617
SSU 196 – Steering Valve Deadband Calibration Fault 0618
SSU 197 – Steering Valve Command Low 0619
SSU 198 – Steering Valve Command High 0620
SSU 199 – Steering System Output Fault 0621
SSU 201 – Wheel Speed Signal Missing 0622
SSU 203 – Transmission Signal Missing 0623
SSU 205 – Hydraulic Oil Temperature Signal Missing 0624
SSU 206 – Resume Switch Signal Missing 0625
SSU 209 – TCM Status Message Missing 0627
SSU 213 – Yaw Rate Message Missing 0628
SSU 214 – GPS Speed Message Missing 0629
SUP SUP Code Diagnostics
SUP 010 – Communication w/ SCU Interrupted 0630
SUP 011 – Communication w/ SCo Interrupted 0631
SUP 020 – Internal SUP Memory Fault 0632
212 OBSERVABLE SYMPTOMS
05 Axles
Specifications 0633
Axle Will Not Transmit Power 0634
MFWD Axle Disengages 0635
Front Differential Problem 0636
Differential Lock Will Not Engage / Disengage 0637
Independent Link Suspension Leak Down Problem 0638
Independent Link Suspension Damping Problem 0639
Independent Link Suspension (ILS) Ride Height Adjustment 0640
15 Electrical
Specifications 0641
Vehicle Horn Malfunctions 0642
Starting Motor Will Not Crank 0643
Convenience Outlet Problem 0644
Charging System Problem 0645
Seven Pin Outlet Malfunction (N.A.) 0646
Seven Pin Outlet Malfunction (European) 0647
Hazard Lamps Malfunction (N.A.) 0648
Dome Lamp Malfunction 0649
Radar Diagnostics 0650
Roof Beacon Light Malfunction 0651
Touchset Depth Control Does Not Function 0652
Tractor Ground Speed Does Not Display 0653
16 Ag Management Solutions (AMS)
System Problem ( 010000) 0654
System Problem (010001 ) 0655
Loss of Power at Implement Breakaway Connector 0656
System Problem 0657
AutoTrac System Problem 0658
AutoTrac System – Accuracy Unacceptable 0659
GREENSTAR Diagnostics 0660
20 Hitch
Specifications 0661
Hitch Will Not Raise And/Or Lower 0662
Hitch Raise / Lower Speed Incorrect 0663
Hitch Cycles Up And Down 0664
Front Hitch Problem 0665
25 Heating, Ventilation and Air Conditioning (Standard)
Specifications 0666
Air Conditioning Not Cooling Adequately (Standard) 0667
Heating Inadequate (Standard) 0668
Low or No Airflow From Air Ducts (Standard) 0669
26A Heating, Ventilation and Air Conditioning – CLIMATRAK (ATC) ( 010000)
Specifications 0670
(ATC) Trouble Light Flashing ( 010000) 0671
Compressor Clutch Does Not Engage (No Cooling), (ATC) ( 010000) 0673
Circulation Blower Inoperative Or Slow, (ATC) ( 010000) 0674
Pressurizer Motor Inoperative or Slow, (ATC) ( 010000) 0675
26B Heating, Ventilation and Air Conditioning – CLIMATRAK (ATC) (010001 )
(ATC) System Problem (010001 ) 0676
30 Operator Station
Dust In Cab 0677
Operator Seat Problem (Air Seat) 0678
Operator Seat Problem 0679
Warning Horn Does Not Operate 0680
Turn Signals Do Not Work (N.A.) 0681
Display Units Not Operational 0682
Windshield Wiper / Washer Malfunctioning 0683
Power Mirror Malfunction 0684
40 Power Take-Off
Specifications 0685
PTO Slips Under Load 0686
PTO Engages Aggressively 0687
PTO Will Not Stop Turning 0688
45 Selective Control Valve
Specifications