A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection
- Diagnostic Trouble Code Descriptions
- FD or Undocumented Codes
- Code to Test Chart
- P Codes
- 2 and 3 Digit Codes
- 11 Intermittent Loss of CMP or CKP - (P 1391)
- 11 No Crank Reference Signal at PCM
- 11 Timing Belt Skipped 1 Tooth or More - (P 1390)
- 12 Battery Was Disconnected
- 13 No Change In MAP From Start to Run - (P 1297)
- 14 MAP Sensor Voltage Too High - (P 0108)
- 14 MAP Sensor Voltage Too Low - (P 0107)
- 15 No Vehicle Speed Sensor Signal - (P 0500)
- 16 Knock Sensor #1 Circuit
- 17 Closed Loop Temperature Not Reached - (P 0125)
- 17 Engine Is Cold Too Long
- 21 Downstream O2S Heater Failure - (P 0141)
- 21 Downstream 025 Shorted to Voltage - (P 0138)
- 21 Upstream O2S Heater Failure - (P 0135)
- 21 Upstream O2S Response - (P 0133)
- 21 Upstream O2S Response - (P 0139)
- 21 Upstream O2S Shorted to Voltage - (P 0132)
- 21 Upstream O2S Stays at Center- (P 0134)
- 22 ECT Sensor Voltage Too High (P 0118)
- 22 ECT Sensor Voltage Too Low (P 0117)
- 23 Intake Air Temp Sensor Voltage High - (P 0113)
- 23 Intake Air Temp Sensor Voltage Low - (P 0112)
- 24 Throttle Position Sensor Voltage High - (P 0123)
- 24 Throttle Position Sensor Voltage Low - (P 0122)
- 24 TPS Does Not Agree With MAP - (P 0121)
- 25 Idle Air Control Motor Circuits - (P 0505)
- 25 Idle Speed - (P 1294)
- 25 Vacuum Leak Found - (P 1299)
- 27 Injector #1 - 4 Control Ckt - (P0201 - P0204)
- 31 EVAP Solenoid Circuit - (P 0443)
- 31 Evaporative Purge Flow Monitor Failure - (P 0441)
- 32 EGR Solenoid Circuit - (P 0403)
- 32 EGR System Failure (P 0401)
- 33 A/C Clutch Relay Circuit
- 34 Speed Control Solenoid Circuits
- 35 High Speed Fan Control Relay Circuit - (P 1489)
- 35 Low Speed Fan Control Relay Circuit - (P 1490)
- 36 Too Little or Too Much Secondary Air - (P 0411)
- 37 Park/Neutral Switch Failure - (P 1899)
- 37 Torque Converter Clutch Solenoid Circuit - (P 0743)
- 41 Generator Field Not Switching Properly
- 42 Auto Shutdown Relay Control Circuit
- 42 Fuel Level Sending Unit Volts Too High *
- 42 Fuel Level Sending Unit Volts Too Low *
- 42 Fuel Level Unit No Change Over Miles
- 42 Fuel Pump Relay Control Circuit
- 42 No ASD Relay Output Voltage at PCM
- 43 Ignition Coil #1, #2 Primary Circuit - (P 0351, P 0352)
- 43 Multiple Cylinder Misfire (P 0300 - P 0304)
- 46 Charging System Voltage Too High
- 47 Charging System Voltage Too Low
- 51/52 Fuel System Lean/Rich - (P 0171, P 0172)
- 53 Internal Controller Failure - (P 0605)
- 53 PCM Failure SPI Communications - (P 0605)
- 54 No Cam Signal at PCM - (P 0340)
- 55 End of Message
- 62 PCM Failure SRI Mile Not Stored
- 63 PCM Failure EEPROM Write Denied
- 64 Catalytic Convertor Efficiency Failure (P 0422)
- 65 Power Steering Switch Failure - (P 0551)
- 66 No CCD Bus Messages From TCM
- Scan Tool Text Codes
- A/C Clutch Relay Circuit
- Auto Shutdown (ASD) Relay Control Circuit
- Battery Temp Sensor Voltage Out of Limit
- Catalytic Converter Efficiency Failure
- Charging System Voltage Too High
- Charging System Voltage Too Low
- Closed Loop Temp Not Reached
- Cylinder #1. #2. #3. #4 Misfire
- Downstream O2 Sensor Heater Failure
- Downstream O2 Sensor Shorted to Voltage
- Downstream O2 Sensor Slow Response
- ECT Sensor Voltage Too High
- ECT Sensor Voltage Too Low
- EGR Solenoid Circuit
- EGR System Failure
- EVAP Purge Solenoid Circuit
- Evaporative Emission Control System Malfuntion
- Fuel Level Sending Unit Voltage Too High
- Fuel Level Sending Unit Voltage Too Low
- Fuel Level Unit No Change Over Miles
- Fuel Pump Relay Control Circuit
- Fuel System Lean
- Fuel System Rich
- Generator Field Not Switching Properly
- Idle Air Control Motor Circuits
- Ignition Coil Primary Circuit
- Injector Control Circuit
- Intake Air Temp Sensor Voltage High
- Intake Air Temp Sensor Voltage Low
- Intermittent Loss of CMP or CKP
- Internal Controller Failure
- Knock Sensor Circuit
- MAP Sensor Voltage Too High
- MAP Sensor Voltage Too Low
- Multiple Cylinder Misfire
- No ASD Relay Output Voltage At PCM
- No Cam Signal at PCM
- No Change In MAP From Start to Run
- No Crank Reference Signal at PCM
- No Vehicle Speed Sensor Signal
- PCM Failure SPI Communications
- Power Steering Switch Failure
- Radiator Fan Relay Control Circuit
- Speed Control Solenoid Circuits
- Target Idle Not Reached (+/- 200 RPM)
- Throttle Position Sensor Voltage High
- Throttle Position Sensor Voltage Low
- Timing Belt Skipped 1 Tooth or More
- Torque Converter Clutch Solenoid Circuit
- TPS Voltage Does Not Agree With MAP
- Upstream O2 Sensor Heater Failure
- Upstream O2 Sensor Shorted to Voltage
- Upstream O2 Sensor Slow Response
- Upstream O2 Sensor Stays at Center
- Detailed Descriptions
- P Code Charts
- Manufacturer Code Charts
- Diagnostic Notes (Read Before Proceding)
- FD or Undocumented Codes
- Code to Test Chart
- 1, 2 and 3 Digit Codes
- Scan Tool Text Codes
- Barometric Pressure Circuit Malfunction
- Camshaft Position Sensor Circuit Malfunction
- Catalytic Converter Efficiency Failure
- Crankshaft Position Sensor Circuit Malfunction
- Engine Coolant Temperature Circuit Malfunction
- Evaporative Emission Control System Malfunction
- Excessive Time to Enter Closed Loop Fuel Control
- Exhaust Gas Recirculation Flow Malfunction
- Fuel Trim Malfunction (Bank 1)
- Generator FR Terminal Circuit Malfunction
- Idle Control System Malfunction
- Ignition Timing Adjustment Circuit Malfunction
- Injector Circuit Malfunction Cyls 1, 2, 3, 4
- Intake Air Temperature Circuit Malfunction
- Knock Sensor 1 Circuit Malfunction
- Manifold Differential Pressure Sensor Circuit Malfunction
- Misfire Detected Cyls 1, 2, 3, 4
- O2 Sensor Circuit Malfunction (Bank 1 Sensor 1)
- O2 Sensor Circuit Malfunction (Bank 1 Sensor 2)
- O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
- O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
- Purge Control Valve Circuit Malfunction
- Random Misfire Detected
- Throttle Position Circuit Malfunction
- Transmission
- Vehicle Speed Sensor Malfunction
- Volume Air Flow Circuit Malfunction
- Trouble Code (TC) Tests
- TC-1A CODE TO TC TEST CHART (Checking For Trouble Codes)
- TC-2A No Crank Reference Signal at PCM
- TC-2B No Crank Reference Signal at PCM
- TC-3A No Cam Signal at PCM
- TC-4A No Change In MAP From Start to Run
- TC-5A MAP Sensor Voltage Too Low
- TC-6A MAP Sensor Voltage Too High
- TC-7A No Vehicle Speed Sensor Signal
- TC-7B No Vehicle Speed Sensor Signal
- TC-7C No Vehicle Speed Sensor Signal
- TC-8A Upstream O2S Shorted to Voltage
- TC-9A Upstream O2S Stays at Center
- TC-10A Upstream O2S Heater Failure
- TC-11A Upstream O2S Response
- TC-12A Fuel System Rich
- TC-13A Fuel System Lean
- TC-14A Downstream O2S Shorted to Voltage
- TC-15A Downstream O2S Heater Failure
- TC-16A Downstream O2 Sensor Response
- TC-17A Catalytic Converter Efficiency Failure
- TC-18A ECT Sensor Voltage Too Low
- TC-19A ECT Sensor Voltage Too High
- TC-20A Closed Loop Temp Not Reached
- TC-21A Intake Air Temp Sensor Voltage Too Low
- TC-22A Intake Air Temp Sensor Voltage Too High
- TC-23A No CCD Message From TCM
- TC-24A Knock Sensor #1 Circuit
- TC-25A Throttle Position Sensor Voltage Too Low
- TC-26A Throttle Position Sensor Voltage Too High
- TC-27A TPS Voltage Does Agree With MAP
- TC-28A Idle Air Control Motor Circuits
- TC-28B Idle Air Control Motor Circuits
- TC-28C Idle Air Control Motor Circuits
- TC-28D Idle Air Control Motor Circuits
- TC-28E Idle Air Control Motor Circuits
- TC-29A Target Idle Not Reached (+/- 200 RPM)
- TC-29B Target Idle Not Reached (+/- 200 RPM)
- TC-30A Secondary Air Solenoid Circuit
- TC-31A Injector #1 Control Circuit
- TC-32A Injector #2 Control Circuit
- TC-33A Injector #3 Control Circuit
- TC-34A Injector #4 Control Circuit
- TC-35A Timing Belt Skipped 1 Tooth or More
- TC-36A PCM Failure SRI Mile Not Stored/EEPROM Write Denied
- TC-37A EGR Solenoid Circuit
- TC-38A EGR System Failure
- TC-39A EVAP Solenoid Circuit
- TC-40A EVAP Purge Flow Monitor Failure
- TC-40B EVAP Purge Flow Monitor Failure
- TC-41A Too Little SEC Air or Too Much SEC Air
- TC-42A A/C Clutch Relay Circuit
- TC-43A Low Speed Fan CTRL Relay Circuit
- TC-44A High Speed Fan CTRL Relay Circuit
- TC-45A Auto Shutdown Relay Control Circuit
- TC-46A No ASD Relay Output Voltage at PCM
- TC-47A Fuel Pump Relay Control Circuit
- TC-48A Ignition Coil #1 Primary Circuit
- TC-49A Ignition Coil #2 Primary Circuit
- TC-50A Intermittent Loss of CMP or CKP
- TC-50B Intermittent Loss of CMP or CKP
- TC-51A Generator Field Not Switching Properly
- TC-52A Charging System Voltage Too Low
- TC-53A Charging System Voltage Too High
- TC-54A Speed Control Solenoid Circuits
- TC-55A Power Steering Switch Failure
- TC-56A Multiple Cylinder Misfire
- TC-57A Cylinder #1, #2, #3, #4 Misfire
- TC-58A Fuel Level Sending Unit Volts Too Low
- TC-59A Fuel Level Sending Unit Volts Too High
- TC-60A Fuel Level Unit No Change Over Miles
- TC-61A Battery Temp Sensor Volts Out of Limit
- Charging System (CH) Tests
- Speed Control (SC) Tests
- SC-1A Checking Speed Control Operation
- SC-1A Speed Control Operation Inspection
- SC-1B Checking Speed Control Operation
- SC-1B Speed Control Operation Inspection
- SC-1C Checking Speed Control Operation
- SC-2A Checking Speed Control On/Off Switch
- SC-2A Checking Speed Control ON/OFF Switch
- SC-3A Brake Switch Sense Inspection
- SC-3A Checking the Brake Switch Sense
- SC-4A Checking Park/Neutral Position Switch
- SC-4A Checking the Park/Neutral Position Switch
- SC-5A Checking For a Speed Control Denied Message
- SC-5A Checking Speed Control Denied Message
- SC-6A Checking the Speed Control Brake Switch Output
- SC-6A Speed Control Operation Inspection
- SC-6B Speed Control Operation Inspection
- SC-6C Speed Control Operation Inspection
- SC-7A Speed Control On/Off Switch Inspection
- SC-8A Speed Control Brake Switch Output Inspection
- SC-9A Park/Neutral Position Switch Inspection
- SC-10A Speed Control Relay Output Inspection
- Transmission Control System
- 1 Pre-Diagnostic Checkout
- 2 Entering 41TE/AE Diagnostic Tests
- 3 Conditions Needed to Set Diagnostic Trouble Codes
- 4 Checking For Intermittent Diagnostic Trouble Codes
- 5 Repairing Back-Up Lamp Problems
- 6 Test For Speed Proportional Steering
- 7 Checking For Symptoms and Possible Causes
- 8 No Response
- 12 Battery Was Disconnected
- 14 Relay Output Always ON
- 15 Relay Output Always OFF
- 18 Engine Speed Sensor Circuit
- 19 BUS Communication With Engine Module
- 20 Transmission Control Relay Output
- 21 OD Pressure Switch Circuit
- 22 2-4 Pressure Switch Circuit
- 23 2-4/OD Pressure Switch Circuit
- 24 L-R Pressure Switch Circuit
- 25 L-R/OD Pressure Switch Circuit
- 26 L-R/2-4 Pressure Switch Circuit
- 27 All Pressure Switch Circuits
- 28 Check Shifter Signal
- 29 Throttle Position Signal
- 31 OD Hydraulic Pressure Switch
- 32 2-4 Hydraulic Pressure Switch
- 33 2-4/OD Hydraulic Pressure Switch
- 35 Loss of Prime
- 36 Fault Immediately After A Shift
- 37 Solenoid Switch Valve Latched In TCC Position
- 38 Torque Converter Clutch Control Circuit
- 41 L-R Solenoid Circuit
- 42 2-4 Solenoid Circuit
- 43 OD Solenoid Circuit
- 44 UD Solenoid Circuit
- 46 3-4 Shift Abort
- 47 Solenoid Switch Valve Latched In L-R Position
- 48 TRD Link Communication Error
- 50 Gear Ratio Error In Reverse
- 51 Gear Ratio Error In 1ST
- 52 Gear Ratio Error In 2ND
- 53 Gear Ratio Error In 3RD
- 54 Gear Ratio Error In 4TH
- 56 Input Sensor Error
- 57 Output Sensor Error
- 58 Sensor Ground Error
- 60 Inadequate Element Volume: LR
- 61 Inadequate Element Volume: 2-4
- 62 Inadequate Element Volume: OD
- 70 Autostick Input Circuit
- 71 Manual Shift Overheat
- 76 Power-Up at Speed
- Vehicle Communication Tests
- 1A Bus Failure Messages
- 2A Repairing A DRB Blank Screen
- 3A Ram Error
- 4A Cartridge Failure Error
- 5A Key Pad Failure
- 6A Testing For A Low or High Battery
- 7A Short to Battery Failure
- 7B Short to Battery Failure
- 7C Short to Battery Failure
- 7D Short to Battery Failure
- 7E Short to Battery Failure
- 7H Short to Battery Failure
- 8A Short to 5 Volts Failure
- 8B Short to 5 Volts Failure
- 8F Short to 5 Volts Failure
- 8G Short to 5 Volts Failure
- 8H Short to 5 Volts Failure
- 8J Short to 5 Volts Failure
- 8K Short to 5 Volts Failure
- 9A Short to Ground Failure
- 9B Short to Ground Failure
- 9C Short to Ground Failure
- 10A Bus (+) and Bus (-) Shorted Together Failure
- 11A No Termination Failure
- 11M No Termination Failure
- 12A Bus Bias Level or Bus (+/-) Open Failure
- 12G Bus Bias Level or Bus (+/-) Open Failure
- 12M Bus Bias Level or Bus (+/-) Open Failure
- 13A No Bus Bias Failure
- 13N No Bus Bias Failure
- 14A Not Receiving Bus Messages Correctly Failure
- Verification Tests
- Charging System Verification Tests
- Verification Test VER-1A - No Start Verification Test
- Verification Test VER-1A - Transmission Control System
- Verification Test VER-2A - Road Test Verification
- Verification Test VER-3A - Charging System Verification
- Verification Test VER-4A - Speed Control Verification Test
- Diagnostic Trouble Code Descriptions