A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection
- Diagnostic Trouble Code Descriptions
- P Code Charts
- Manufacturer Code Charts
- Antilock Brake System (ABS)
- Automatic Transmission (AT)
- Cruise Control
- Engine Control System
- DTC Quick Reference
- Detailed DTC Descriptions
- Motronic 4.3 SFI/DI
- With Auto Trans W/Federal Emissions (Emissions Code D3)
- DTC 1-1-1 No Fault Detected
- DTC 1-1-2 Fault In ECM
- DTC 1-1-5 Injector 1
- DTC 1-2-1 Mass Air Flow Sensor Signal
- DTC 1-2-3 Engine Coolant Temperature Sensor Signal
- DTC 1-2-5 Injector 2
- DTC 1-3-1 Engine Speed Sensor Signal Missing
- DTC 1-3-2 Battery Voltage
- DTC 1-3-5 Injector 3
- DTC 1-4-3 Front Knock Sensor Signal
- DTC 1-4-5 Injector 4
- DTC 1-5-3 Rear Heated Oxygen Sensor Signal
- DTC 1-5-4 EGR System Leakage
- DTC 1-5-5 Injector 5
- DTC 2-1-2 Front Heated Oxygen Sensor Signal
- DTC 2-1-4 Engine Speed Sensor Signal Sporadic
- DTC 2-2-3 Idle Air Control Valve Opening Signal
- DTC 2-2-5 A/C Pressure Sensor Signal
- DTC 2-3-1 Long Term Fuel Trim, Part Load
- DTC 2-3-2 Long Term Fuel Trim, Idling
- DTC 2-3-3 Long Term Idle Air Trim
- DTC 2-4-1 EGR System Flow Malfunction
- DTC 2-4-5 Idle Air Control Valve Closing Signal
- DTC 3-1-1 Vehicle Speed Sensor Signal
- DTC 3-1-4 Camshaft Position Sensor Signal
- DTC 3-1-5 EVAP System
- DTC 3-2-5 Memory Failure
- DTC 3-3-5 Fault In Lead Between TCM and ECM
- DTC 4-1-1 Throttle Position Potentiometer Signal
- DTC 4-1-3 EGR Temperature Sensor Signal
- DTC 4-2-5 Rear Heated Oxygen Sensor Regulating
- DTC 4-3-2 Temperature Warning Level 1
- DTC 4-3-3 Rear Knock Sensor Signal
- DTC 4-3-5 Front Heated Oxygen Sensor Slow Response
- DTC 4-3-6 Rear Heated Oxygen Sensor Compensation
- DTC 4-4-3 Three Way Catalytic Converter Efficiency
- DTC 4-4-4 Acceleration Sensor Signal
- DTC 4-5-1 Misfire Cylinder 1
- DTC 4-5-2 Misfire Cylinder 2
- DTC 4-5-3 Misfire Cylinder 3
- DTC 4-5-4 Misfire Cylinder 4
- DTC 4-5-5 Misfire Cylinder 5
- DTC 5-1-3 Temperature Warning Level 2
- DTC 5-1-4 Engine Cooling Fan Low Speed Signal
- DTC 5-2-1 Front Heated Oxygen Sensor Preheating
- DTC 5-2-2 Rear Heated Oxygen Sensor Preheating
- DTC 5-3-1 Power Stage Group A
- DTC 5-3-2 Power Stage Group B
- DTC 5-3-3 Power Stage Group C
- DTC 5-3-4 Power Stage Group D
- DTC 5-4-1 EVAP Valve Signal
- DTC 5-4-2 Misfire More Than 1 Cylinder
- DTC 5-4-3 Misfire at Least 1 Cylinder
- DTC 5-4-4 Misfire More Than 1 Cylinder, TWC Damage
- DTC 5-4-5 Misfire at Least 1 Cylinder, TWC Damage
- DTC 5-5-1 Misfire Cylinder 1, TWC Damage
- DTC 5-5-2 Misfire Cylinder 2, TWC Damage
- DTC 5-5-3 Misfire Cylinder 3, TWC Damage
- DTC 5-5-4 Misfire Cylinder 4, TWC Damage
- DTC 5-5-5 Misfire Cylinder 5, TWC Damage
- With Manual Trans
- With Auto Trans W/Federal Emissions (Emissions Code D3)
- Motronic 4.4 (MFI)
- With Auto Trans W/CA Emissions (Emissions DTC G1)
- DTC EFI-112 Fault in Engine Control Module
- DTC EFI-115 Injector 1
- DTC EFI-121 Mass Air Flow Sensor Signal
- DTC EFI-123 Engine Coolant Temperature Sensor Signal
- DTC EFI-125 Injector 2
- DTC EFI-131 Engine Speed Sensor Signal
- DTC EFI-132 Battery Voltage
- DTC EFI-135 Injector 3
- DTC EFI-143 Front Knock Sensor Signal
- DTC EFI-145 Injector 4
- DTC EFI-153 Rear Heated Oxygen Sensor Signal
- DTC EFI-155 Injector 5
- DTC EFI-212 Front Heated Oxygen Sensor Signal
- DTC EFI-214 Engine Speed Sensor Signal Sporadic
- DTC EFI-223 Idle Air Control Valve Opening Signal
- DTC EFI-225 A/C Pressure Sensor Signal
- DTC EFI-231 Long-Term Fuel Trim Part Load
- DTC EFI-232 Long-Term Fuel Trim Idling
- DTC EFI-233 Adaptive Idle Air Trim
- DTC EFI-245 Idle Air Control Closing Signal
- DTC EFI-311 Speedometer Signal
- DTC EFI-314 Camshaft Position Sensor Signal
- DTC EFI-315 Canister Purge Valve Leakage
- DTC EFI-335 Cable Fault Between AW 50-42 TCM and ECM
- DTC EFI-411 Throttle Position Sensor Signal
- DTC EFI-425 Rear Heated Oxygen Sensor Control
- DTC EFI-432, EFI-513 Temperature Warning Levels 1 & 2
- DTC EFI-433 Rear Knock Sensor Signal
- DTC EFI-435 Front Heated Oxygen Sensor Too Slow
- DTC EFI-436 Rear Heated Oxygen Sensor Compensation
- DTC EFI-442 Pulsed Secondary Air Injection System Flow Fault
- DTC EFI-443 Three-Way Catalytic Converter Efficiency
- DTC EFI-444 Accelerometer Signal
- DTC EFI-445 Pulsed Secondary Air Injection System Pump Signal
- DTC EFI-446 Pulsed Secondary Air Injection System Flow Fault
- DTC EFI-447 Solenoid Valve Secondary Air Injection Signal
- DTC EFI-448 Secondary Air Injection System Pump Flow Fault
- DTC EFI-45X, EFI-543, EFI-545, EFI-55X Misfire Cylinder X
- DTC EFI-514 Engine Cooling Fan Low-Speed Signal
- DTC EFI-521 Front Heated Oxygen Sensor Heating
- DTC EFI-522 Rear Heated Oxygen Sensor Heating
- DTC EFI-534 Ignition Discharge Module Group D
- DTC EFI-535 Ignition Discharge Module Group E
- DTC EFI-541 Canister Purge Valve Signal
- DTC EFI-611 Fuel Tank System Large Leak
- DTC EFI-612 Fuel Tank System Small Leak
- DTC EFI-614 EVAP Canister Shut-Off Valve Flow Fault
- DTC EFI-616 EVAP Canister Shut-Off Valve Signal
- DTC EFI-621 Fuel Tank Pressure Sensor Signal
- DTC EFI-666 Trouble DTC In Transmission Control Module
- With Manual Trans
- DTC EFI-112 Fault in Engine Control Module
- DTC EFI-115 Injector 1
- DTC EFI-121 Mass Air Flow Sensor Signal
- DTC EFI-123 Engine Coolant Temperature Sensor Signal
- DTC EFI-125 Injector 2
- DTC EFI-131 Engine Speed Sensor Signal
- DTC EFI-132 Battery Voltage
- DTC EFI-135 Injector 3
- DTC EFI-143 Front Knock Sensor Signal
- DTC EFI-145 Injector 4
- DTC EFI-153 Rear Heated Oxygen Sensor Signal
- DTC EFI-155 Injector 5
- DTC EFI-212 Front Heated Oxygen Sensor Signal
- DTC EFI-214 Engine Speed Sensor Signal Sporadic
- DTC EFI-223 Idle Air Control Valve Opening Signal
- DTC EFI-225 A/C Pressure Sensor Signal
- DTC EFI-231 Long-Term Fuel Trim Part Load
- DTC EFI-232 Long-Term Fuel Trim Idling
- DTC EFI-233 Adaptive Idle Air Trim
- DTC EFI-245 Idle Air Control Closing Signal
- DTC EFI-311 Speedometer Signal
- DTC EFI-314 Camshaft Position Sensor Signal
- DTC EFI-315 Canister Purge Valve Leakage
- DTC EFI-335 Cable Fault Between AW 50-42 TCM and ECM
- DTC EFI-411 Throttle Position Sensor Signal
- DTC EFI-425 Rear Heated Oxygen Sensor Control
- DTC EFI-432, EFI-513 Temperature Warning Levels 1 & 2
- DTC EFI-433 Rear Knock Sensor Signal
- DTC EFI-435 Front Heated Oxygen Sensor Too Slow
- DTC EFI-436 Rear Heated Oxygen Sensor Compensation
- DTC EFI-442 Pulsed Secondary Air Injection System Flow Fault
- DTC EFI-443 Three-Way Catalytic Converter Efficiency
- DTC EFI-444 Accelerometer Signal
- DTC EFI-445 Pulsed Secondary Air Injection System Pump Signal
- DTC EFI-446 Pulsed Secondary Air Injection System Flow Fault
- DTC EFI-447 Solenoid Valve Secondary Air Injection Signal
- DTC EFI-448 Secondary Air Injection System Pump Flow Fault
- DTC EFI-45X, EFI-543, EFI-545, EFI-55X Misfire Cylinder X
- DTC EFI-514 Engine Cooling Fan Low-Speed Signal
- DTC EFI-521 Front Heated Oxygen Sensor Heating
- DTC EFI-522 Rear Heated Oxygen Sensor Heating
- DTC EFI-534 Ignition Discharge Module Group D
- DTC EFI-535 Ignition Discharge Module Group E
- DTC EFI-541 Canister Purge Valve Signal
- DTC EFI-611 Fuel Tank System Large Leak
- DTC EFI-612 Fuel Tank System Small Leak
- DTC EFI-614 EVAP Canister Shut-Off Valve Flow Fault
- DTC EFI-616 EVAP Canister Shut-Off Valve Signal
- DTC EFI-621 Fuel Tank Pressure Sensor Signal
- DTC EFI-666 Trouble DTC In Transmission Control Module
- With Auto Trans W/CA Emissions (Emissions DTC G1)
- Motronic 4.3 SFI/DI
- Heating and Air Conditioning
- Power Seats (PSL/PSR)
- PSL/PSR-112 Adjustment Seat Forward/backward, Motor 1
- PSL/PSR-121 Backrest, Motor 2
- PSL/PSR-122 Seat Rear Edge, Motor 3
- PSL/PSR-123 Adjustment Forward And Rear, Motor 1
- PSL/PSR-131 Backrest, Motor 2
- PSL/PSR-132 Seat Rear Edge, Motor 3
- PSL/PSR-133 Seat Front Edge, Motor 4
- PSL/PSR-143 Adjustment Forward And Rear, Motor 1
- PSL/PSR-144 Backrest, Motor 2
- PSL/PSR-211 Seat Front Edge, Motor 4
- PSL/PSR-212 Adjustment Seat Forward/backward, Motor 1
- PSL/PSR-214 Seat Rear Edge, Motor 3
- PSL/PSR-222 Backrest, Motor 2
- PSL/PSR-223 Seat Rear Edge, Motor 3
- PSL/PSR-224 Seat Front Edge, Motor 4
- PSL/PSR-312 Seat Front Edge, Motor 4
- PSL/PSR-321 Memory Function 3
- PSL/PSR-322 Memory Function 2
- PSL/PSR-323 Memory Function 1
- PSL/PSR-421 Control Module
- PSL/PSR-422 Battery Voltage
- PSL/PSR-423 Control Button
- PSL/PSR-424 Control Panel
- Supplemental Restraint System (SRS)
- P Code Charts
- All Other P Codes
- P0100
- P0102
- P0103
- P0115
- P0116
- P0117
- P0118
- P0120
- P0122
- P0123
- P0130
- P0131
- P0132
- P0133
- P0135
- P0136
- P0137
- P0138
- P0140
- P0141
- P0170
- P0171
- P0172
- P0201
- P0202
- P0203
- P0204
- P0205
- P0300
- P0301
- P0302
- P0303
- P0304
- P0305
- P0325
- P0326
- P0330
- P0331
- P0335
- P0336
- P0340
- P0400
- P0402
- P0410
- P0412
- P0413
- P0414
- P0422
- P0440
- P0442
- P0443
- P0444
- P0445
- P0446
- P0447
- P0448
- P0451
- P0452
- P0453
- P0455
- P0500
- P0505
- P0530
- P0560
- P0605
- P0705
- P0715
- P0731
- P0732
- P0733
- P0734
- P0745
- P0750
- P0755
- P1101
- P1102
- P1307
- P1308
- P1310
- P1326
- P1327
- P1328
- P1329
- P1401
- P1403
- P1404
- P1405
- P1406
- P1416
- P1417
- P1418
- P1505
- P1506
- P1507
- P1508
- P1602
- P1604
- P1605
- P1617
- P1618
- P1619
- P1620
- P1621
- Manufacturer Code Charts
- ABS Codes (Antilock Brake System Control Module)
- AT / DTC Codes (Transmission Control Module)
- AT-114 Mode Selector Switch
- AT-121 Shift Solenoid S1
- AT-122 Shift Solenoid S1
- AT-123 System Pressure Solenoid STH
- AT-124 Mode Selector Switch
- AT-131 System Pressure Solenoid STH
- AT-132 Transmission Control Module
- AT-134 Load Signal
- AT-141 Oil Temperature Sensor
- AT-142 Oil Temperature Sensor
- AT-143 Kickdown Switch
- AT-213 Throttle Position Sensor Signal
- AT-221 Shift Solenoid S2
- AT-222 Shift Solenoid S2
- AT-223 Throttle Position Sensor
- AT-232 Speedometer Signal
- AT-235 Oil Temperature
- AT-245 Torque Limiting Signal
- AT-311 Transmission Speed Sensor
- AT-313 Gear-Shift Position Sensor
- AT-321 Incorrect Gear Ratio
- AT-322 Incorrect Gear Ratio
- AT-323 Incorrect Gear Ratio
- AT-324 Incorrect Gear Ratio
- AT-331 Lock-Up Solenoid SL
- AT-332 Lock-Up Solenoid SL
- AT-333 Lock-Up Solenoid SL
- AT-341 Lock-Up Function
- AT-411 Transmission Control Module
- AT-421 Battery Voltage
- CI Codes (Combined Instrument Panel)
- CI-112 Fuel Level Sensor
- CI-113 Fuel Level Sensor
- CI-114 Fuel Level Sensor
- CI-121 Engine Coolant Temperature (ECT) Sensor Signal
- CI-123 48 Pulse Vehicle Speed Signal
- CI-124 Engine Speed (RPM) Signal
- CI-131 12 Pulse Vehicle Speed Signal
- CI-132 Engine Speed (RPM) Signal
- CI-133 Fuel Level Signal to Trip Computer Too High
- CI-141 12 Pulse Vehicle Speed Signal
- CI-143 48 Pulse Vehicle Speed Signal
- CI-211 D+ Signal
- CI-221 Vehicle Speed Signal
- CI-222 Vehicle Speed Signal
- CI-231 Control Module
- Cruise Control System
- ECC / MCC / DTC Codes (Heating and Air Conditioning)
- DTC 1-2-1
- DTC 1-2-2
- DTC 1-2-3 and 1-2-5
- DTC 1-2-4 and 1-2-6
- DTC 1-3-1 and 1-3-3
- DTC 1-3-2 and 1-3-4
- DTC 1-3-5
- DTC 1-4-1 and 1-4-3
- DTC 1-4-5
- DTC 1-5-1 and 1-5-2
- DTC 2-1-1, 2-2-1, 2-3-1, 2-3-3, and 2-3-5
- DTC 2-1-2, 2-2-2, 2-3-2, 2-3-4 and 2-3-6
- DTC 3-1-1, 3-1-2, 3-1-3, 3-1-4 and 3-1-5
- DTC 3-2-1, 3-2-2, 3-2-3, 3-2-4 and 3-2-5
- DTC 4-1-1
- DTC 4-1-2 and 4-1-5
- DTC 4-1-3 and 4-1-6
- DTC 4-1-4 and 4-1-7
- DTC 4-1-8
- DTC 4-1-9
- DTC 4-2-0
- DTC 5-1-1
- EFI / DTC Codes (Engine Control System)
- Motronic 4.3 SFI/DI
- With Auto Trans W/Federal Emissions (Emissions Code D3)
- DTC 1-1-1
- DTC 1-1-2
- DTC 1-1-5
- DTC 1-2-1
- DTC 1-2-3
- DTC 1-2-5
- DTC 1-3-1
- DTC 1-3-2
- DTC 1-3-5
- DTC 1-4-3
- DTC 1-4-5
- DTC 1-5-3
- DTC 1-5-4
- DTC 1-5-5
- DTC 2-1-2
- DTC 2-1-4
- DTC 2-2-3
- DTC 2-2-5
- DTC 2-3-1
- DTC 2-3-2
- DTC 2-3-3
- DTC 2-4-1
- DTC 2-4-5
- DTC 3-1-1
- DTC 3-1-4
- DTC 3-1-5
- DTC 3-2-5
- DTC 3-3-5
- DTC 4-1-1
- DTC 4-1-3
- DTC 4-2-5
- DTC 4-3-2
- DTC 4-3-3
- DTC 4-3-5
- DTC 4-3-6
- DTC 4-4-3
- DTC 4-4-4
- DTC 4-5-1
- DTC 4-5-2
- DTC 4-5-3
- DTC 4-5-4
- DTC 4-5-5
- DTC 5-1-3
- DTC 5-1-4
- DTC 5-2-1
- DTC 5-2-2
- DTC 5-3-1
- DTC 5-3-2
- DTC 5-3-3
- DTC 5-3-4
- DTC 5-4-1
- DTC 5-4-2
- DTC 5-4-3
- DTC 5-4-4
- DTC 5-4-5
- DTC 5-5-1
- DTC 5-5-2
- DTC 5-5-3
- DTC 5-5-4
- DTC 5-5-5
- With Manual Trans
- With Auto Trans W/Federal Emissions (Emissions Code D3)
- Motronic 4.4 (MFI)
- DTC EFI-112
- DTC EFI-115
- DTC EFI-121
- DTC EFI-123
- DTC EFI-125
- DTC EFI-131
- DTC EFI-132
- DTC EFI-135
- DTC EFI-143
- DTC EFI-145
- DTC EFI-153
- DTC EFI-155
- DTC EFI-212
- DTC EFI-214
- DTC EFI-223
- DTC EFI-225
- DTC EFI-231
- DTC EFI-232
- DTC EFI-233
- DTC EFI-245
- DTC EFI-311
- DTC EFI-314
- DTC EFI-315
- DTC EFI-335
- DTC EFI-411
- DTC EFI-425
- DTC EFI-432
- DTC EFI-433
- DTC EFI-435
- DTC EFI-436
- DTC EFI-442
- DTC EFI-443
- DTC EFI-444
- DTC EFI-445
- DTC EFI-446
- DTC EFI-447
- DTC EFI-448
- DTC EFI-45X, EFI-543, EFI-545, EFI-55X
- DTC EFI-513
- DTC EFI-514
- DTC EFI-521
- DTC EFI-522
- DTC EFI-534
- DTC EFI-535
- DTC EFI-541
- DTC EFI-611
- DTC EFI-612
- DTC EFI-614
- DTC EFI-616
- DTC EFI-621
- DTC EFI-666
- Motronic 4.3 SFI/DI
- PSL/PSR Codes (Power Seats)
- SRS Codes (Supplemental Restraint System)
- Related Tests, Information and Procedures
- Diagnostic Trouble Code Descriptions