A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection
- Diagnostic Trouble Code Descriptions
- Code to Test Chart
- 2 and 3 Digit Codes
- Scan Tool Text Codes
- A/C Clutch Relay Circuit
- Auto Shutdown (ASD) Relay Control Circuit
- Battery Temp Sensor Voltage Out of Limit
- Charging System Voltage Too High
- Charging System Voltage Too Low
- ECT Sensor Voltage Too High
- ECT Sensor Voltage Too Low
- EGR Solenoid Circuit
- EGR System Failure
- Engine Is Cold Too Long
- EVAP Purge Solenoid Circuit
- Generator Field Not Switching Properly
- High Speed Fan Control Relay Circuit
- Idle Air Control Motor Circuits
- Injector Control Circuit
- Internal Controller Failure
- Low Speed Fan Control Relay Circuit
- MAP Sensor Voltage Too High
- MAP Sensor Voltage Too Low
- No ASD Relay Output Voltage At PCM
- No Cam SYNC Signal at PCM
- No CCD Message From Body Control Module
- No Change In MAP From Start to Run
- No Crank Reference Signal at PCM
- No Vehicle Speed Sensor Signal
- O2S Shorted to Voltage
- O2S Stays Above Center (Rich)
- O2S Stays at Center
- O2S Stays Below Center (Lean)
- PCM Failure SPI Communications
- Radiator Fan Relay Control Circuit
- Slow Change In Idle MAP Sensor Signal
- Speed Control Solenoid Circuits
- Throttle Position Sensor Voltage High
- Throttle Position Sensor Voltage Low
- Detailed Descriptions
- Information Bus
- Restraint Systems
- Air Bag Systems
- Diagnostic Module #1
- Diagnostic Module #2
- Diagnostic Module #3
- Front Sensor Short
- Ignition 1 (Run/Start) Low
- Ignition 2 (Run Only) Low
- Initiator (Squib) Open
- Initiator (Squib) Shorted
- Low Stored Energy
- One Front Sensor Open
- Safing Sensor Open
- Safing Sensor Shorted
- Two Front Sensors Circuit Open
- Warning Lamp Circuit Shorted or Open
- Seat Belt Systems
- Air Bag Systems
- Transmission Control System
- Listed by Code Name (Description)
- All Pressure Switch Circuits
- Autostick Input Circuit
- Battery Was Disconnected
- BUS Communication With Engine Module
- Calculated Oil Temperature In Use
- Check Shifter Signal
- Engine Speed Sensor Circuit
- Fault Immediately After A Shift
- Gear Ratio Error In Reverse
- Gear Ratio Error In 1ST
- Gear Ratio Error In 2ND
- Gear Ratio Error In 3RD
- Gear Ratio Error In 4TH
- High Temperature Operations Activated
- Inadequate Element Volume: LR
- Inadequate Element Volume: OD
- Inadequate Element Volume: 2-4
- Input Sensor Error
- L-R Pressure Switch Circuit
- Possible Causes of Codes
- L-R Solenoid Circuit
- L-R/OD Pressure Switch Circuit
- L-R/2-4 Pressure Switch Circuit
- Loss of Prime
- Manual Shift Overheat
- No Response
- OD Hydraulic Pressure Switch
- OD Pressure Switch Circuit
- OD Solenoid Circuit
- Output Sensor Error
- Power-Up at Speed
- Relay Output Always OFF
- Relay Output Always ON
- Repairing Back-Up Lamp Problems
- Sensor Ground Error
- Solenoid Switch Valve Latched In L-R Position
- Solenoid Switch Valve Latched In TCC Position
- Test For Speed Proportional Steering
- Throttle Position Signal
- Torque Converter Clutch Control Circuit
- Transmission Control Relay Output
- TRD Link Communication Error
- UD Solenoid Circuit
- Worn Out/Burnt Transaxle Fluid
- 2-4 Hydraulic Pressure Switch
- 2-4 Pressure Switch Circuit
- 2-4 Solenoid Circuit
- 2-4/OD Hydraulic Pressure Switch
- 2-4/OD Pressure Switch Circuit
- 3-4 Shift Abort
- Listed By 2 Digit Code
- Listed by 2 Digit Code (With Possible Causes)
- 11 Internal Controller (Watchdog Circuit Test)
- 12 Battery Was Disconnected
- 13 Internal Controller (Watchdog Circuit Test)
- 14 Relay Always on (Relay Contacts Are Welded Closed)
- 15 Relay Always Off (Relay Contact S Are Stuck Open)
- 16 Internal Controller (ROM Check Failure)
- 17 Internal Controller (RAM Check Failure)
- 18 Engine Speed Sensor Circuit
- 19 Bus Communicat on With Engine Module
- 20 Switched Battery Unit
- 21-27 Pressure Switch Circuits
- 28 Bad TRS Data
- 29 Throttle Position Sensor Signal Circuit
- 31-32 Hydraulic Pressure Switch Circuits
- 35 Loss of Prime
- 36 Fault Immediately After A Shift
- 37 Solenoid Switch Valve Latched In TCC Position
- 38 Torque Converter Clutch Out of Range
- 41 - 44 Solenoid Circuit Errors
- 45 Internal Controller Failure (EEPROM Byte Failure)
- 46 UD Hydraulic Circuit (3-4 Shift Abort)
- 47 Solenoid Switch Valve Latched In the LR Position
- 50-58 Output and Input Speed Errors
- 60-63 Inadequate Element Volumes
- Listed by Code Name (Description)
- Manufacturer Code Charts
- Diagnostic Notes (Read Before Proceding)
- Code to Test Chart
- 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-7D No Vehicle Speed Sensor Signal
- TC-8A O2 Sensor Signal Stays at Center
- TC-9A O2 Sensor Signal Above Center (Rich)
- TC-10A O2 Sensor Signal Below Center (Lean)
- TC-11A O2 Sensor Signal Shorted to Voltage
- TC-12A ECT Sensor Voltage Too Low
- TC-13A ECT Sensor Voltage Too High
- TC-14A TPS Voltage Low
- TC-15A TPS Voltage High
- TC-16A Idle Air Control Motor Circuits
- TC-16B Idle Air Control Motor Circuits
- TC-16C Idle Air Control Motor Circuits
- TC-16D Idle Air Control Motor Circuits
- TC-16E Idle Air Control Motor Circuits
- TC-17A Injector Control Circuit
- TC-17B Injector #1 Control Circuit
- TC-17C Injector #1 Control Circuit
- TC-18A Injector #2 Control Circuit
- TC-18B Injector #2 Control Circuit
- TC-19A Injector #3 Control Circuit
- TC-19B Injector #3 Control Circuit
- TC-20A Injector #4 Control Circuit
- TC-20B Injector #4 Control Circuit
- TC-21A Injector #5 Control Circuit
- TC-21B Injector #5 Control Circuit
- TC-22A Injector #6 Control Circuit
- TC-22B Injector #6 Control Circuit
- TC-23A PCM Failure SRI Miles Not Stored or Write Denied
- TC-24A EGR System Failure
- TC-25A EGR Solenoid Circuit
- TC-26A EVAP Solenoid Circuit
- TC-27A Torque Converter Clutch Solenoid
- TC-28A No ASD Relay Output Voltage at PCM
- TC-29A ASD Relay Control Circuit
- TC-30A A/C Clutch Relay Circuit
- TC-31A RAD Fan Control Relay Circuit
- TC-32A Low Speed Fan Control Relay Circuit
- TC-33A High Speed Fan Control Relay Circuit
- TC-34A Generator Field Not Switching Properly
- TC-34B Generator Field Not Switching Properly
- TC-35A Charging System Voltage Too Low
- TC-36A Charging System Voltage Too High
- TC-36B Charging System Voltage Too High
- TC-37A Speed Control Solenoid Circuits
- TC-37B Speed Control Solenoid Circuits
- TC-37C Speed Control Solenoid Circuits
- TC-38A Battery Temp Sensor Volts Outside Limits
- Airbag System
- About These Tests
- 1A Testing System Function
- 2A Repairing A Blank Scan Tool Screen
- 2B Repairing A Blank DRB Screen
- 3A Repairing A "No Response" From the ASDM
- 3B Repairing A "No Response" From the ASDM
- 3C Repairing A "No Response" From the ASDM
- 4A Identifying Air Bag Module Diagnostic Trouble Codes
- 5A Repairing Two Front Sensors Open
- 6A Repairing Initiator (Squib) Open
- 7A Repairing Initiator (Squib) Short
- 8A Repairing Front Sensor Short
- 9A Repairing One Front Sensor Open
- 9B Repairing One Front Sensor Open
- 10A Repairing Ignition 2 (Run Only) Low
- 10B Repairing Ignition 2 (Run Only) Low
- 11A Repairing Air Bag Warning Lamp Circuit
- 11B Repairing Air Bag Warning Lamp Circuit
- 12A Repairing Ignition 1 (Run/Start) Low
- 12B Repairing Ignition 1 (Run/Start) Low
- 13A ASDM Replacement Procedure
- Antilock Brakes / Traction Control Systems
- 1A Checking For Diagnostic Trouble Codes
- 2A ABS Warning Lamp Diode Circuit
- 3 ABS Warning Lamp Circuit
- 4 Excess Decay
- 5A Left Front Wheel Speed Sensor
- 5B Left Front Wheel Speed Sensor
- 6A Left Rear Wheel Speed Sensor
- 6B Left Rear Wheel Speed Sensor
- 7 Left Front Wheel Speed Sensor Continuity Fault
- 8 Left Rear Wheel Speed Sensor Continuity Fault
- 9 Modulator Circuit
- 10 Pump/Motor Circuit
- 11 Right Front Wheel Speed Sensor Continuity Fault
- 12A Right Front Wheel Speed Sensor
- 12B Right Front Wheel Speed Sensor
- 13A Right Rear Wheel Speed Sensor
- 13B Right Rear Wheel Speed Sensor
- 14 Right Rear Wheel Speed Sensor Continuity Fault
- 15 Solenoid Undervoltage Fault
- 16 System Relay Circuit
- 17A DRB "No Response" Message
- 18A DRB Blank Screen
- Charging System (CH) Tests
- Information Bus
- Seat Belt Systems
- 1A Testing System Function
- 2A Repairing A Blank DRB Screen
- 3A Repairing A "No Response" From the PBCM
- 4A Identifying Passive Belt Control Trouble Codes
- 5A Repairing Seat Belt Switch Sense Circuit For Short
- 6A Repairing Passenger Seat Belt Sense Circuit For Open
- 7A Repairing Seat Belt Lamp Driver Circuit
- 8A Repairing Lamp Failure
- 9A Repairing Vehicle Speed Sensor Signal Circuit Input
- 10A Repairing Passenger Side Time Limit Exceeded
- 11A Repairing Passenger A & B Pillar Switch Open
- 12A Repairing Carrier Not Seen at Passenger A Pillar
- 13A Repairing Carrier Not Seen at Passenger B Pillar
- 14A Repairing Right Front Door Jamb Switch Sense Circuit
- Speed Control (SC) Tests
- SC-1A Checking Speed Control Operation
- SC-1A Speed Control Operation Inspection
- SC-1B Checking Speed Control Relay Output
- SC-1B Speed Control Operation Inspection
- SC-2A Checking Speed Switch Signal Circuit
- SC-2A Speed Control Switch Signal Circuit Inspection
- 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
- Transmission Control System
- Diagnostic Test Procedures
- 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
- Helpful Information (Help 1-8)
- Diagnostic Test Procedures
- 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
- 9A Short to Ground Failure
- 9B Short to Ground Failure
- 10A Bus (+) and Bus (-) Shorted Together Failure
- 11A No Termination Failure
- 11H No Termination Failure
- 12A Bus Bias Level or Bus (+/-) Open Failure
- 12G Bus Bias Level or Bus (+/-) Open Failure
- 12H Bus Bias Level or Bus (+/-) Open Failure
- 13A No Bus Bias Failure
- 13H No Bus Bias Failure
- 14A Not Receiving Bus Messages Correctly Failure
- Verification Tests
- ABS Verification Tests - Antilock 4
- Charging System Verification Tests
- Verification Test VER-1A - Air Bag
- Verification Test VER-1A - Information Bus
- Verification Test VER-1A - No Start Verification Test
- Verification Test VER-1A - Passive Belt System
- Verification Test VER-1A - Transmission Control System
- Verification Test VER-1B - Air Bag
- 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