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
- Ignition Coil Primary Circuit
- 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
- Antilock Brakes / Traction Control Systems
- Heating and A/C
- Restraint 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-8A O2 Sensor Signal Shorted to Voltage
- TC-9A O2 Sensor Signal Stays at Center
- TC-10A O2 Sensor Signal Above Center (Rich)
- TC-11A O2 Sensor Signal Below Center (Lean)
- TC-12A ECT Sensor Voltage Too High
- TC-13A ECT Sensor Voltage Too Low
- TC-14A TPS Voltage High
- TC-15A TPS Voltage Low
- 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 EVAP Solenoid Circuit
- TC-24A EGR Solenoid Circuit
- TC-25A EGR System Failure
- TC-26A A/C Clutch Relay Circuit
- TC-27A RAD Fan Control Relay Circuit (AC/AY Only)
- TC-28A Low Speed Fan Control Relay Circuit
- TC-29A High Speed Fan Control Relay Circuit
- TC-30A ASD Relay Control Circuit
- TC-31A No ASD Relay Output Voltage at PCM
- TC-32A Ignition Coil Primary Circuit
- TC-32B Ignition Coil #1 Primary Circuit
- TC-33A Ignition Coil #2 Primary Circuit
- TC-34A Ignition Coil #2 Primary Circuit
- TC-35A PCM Failure SRI Miles Not Stored or Write Denied
- TC-36A Battery Temp Sensor Volts Outside Limits
- TC-37A Generator Field Not Switching Properly
- TC-37B Generator Field Not Switching Properly
- TC-38A Charging System Voltage Too Low
- TC-39A Charging System Voltage Too High
- TC-39B Charging System Voltage Too High
- TC-40A Speed Control Solenoid Circuits
- TC-40B Speed Control Solenoid Circuits
- TC-40C Speed Control Solenoid Circuits
- Airbag System
- 1A Reading System Codes
- 1B "Bus Failure" Message
- 1C Repairing Blank Scan Tool Screen
- 1D Repairing Ram Failure
- 1E Repairing Cartridge Error Failure
- 1F Repairing Key Pad Failure
- 1G Repairing Low/High Battery Failure
- 2A Repairing A Blank Scan Tool Screen
- 2B Repairing A Blank Scan Tool Screen
- 3A Correcting "No Response" Condition
- 3B Correcting "No Response" Condition
- 3C Correcting "No Response" Condition
- 4A Air Bag Module Codes
- 5A Repairing Code Two Front Sensors Open
- 6A Repairing Code Initiator Open
- 7A Repairing Code Initiator Short
- 8A Repairing Code Front Sensor Short
- 9A Repairing Code One Front Sensor Open
- 9B Repairing Code One Front Sensor Open
- 10A Repairing Code Ignition 2 (Run Only) Low
- 10B Repairing Code Ignition 2 (Run Only) Low
- 11A Repairing Code Warning Lamp Open
- 11B Repairing Code Warning Lamp Short
- 12A Repairing Code Ignition 1 (Start/Run) Low
- 12B Repairing Code Ignition 1 (Run/Start) Low
- 13A ASDM Replacement Procedure
- Antilock Brakes / Traction Control Systems
- Test 1A - Reading Fault Messages
- Test 2A - CAB Fault Test
- Test 3 - Modulator Fault
- Test 4 - Solenoid Undervoltage
- Test 5 - Low Fluid/Parking Brake Fault
- Test 6 - System Relay Fault
- Test 7 - Low Accumulator Fault
- Test 8 - Boost Pressure Fault
- Test 9 - Right Rear Wheel Speed Sensor Continuity Fault
- Test 10 - Left Rear Wheel Speed Sensor Continuity Fault
- Test 11 - Right Front Wheel Speed Sensor Continuity Fault
- Test 12A - Left Front Wheel Speed Sensor
- Test 13A - Right Rear Wheel Speed Sensor
- Test 14A - Left Rear Wheel Speed Sensor
- Test 15A - Right Front Wheel Speed Sensor
- Test 16A - Left Front Wheel Speed Sensor Fault
- Test 17 - Primary Pressure/Delta Pressure Fault
- Test 18 - Antilock Lamp Fault
- Test 19 - Antilock Lamp Relay Fault
- Test 20A - Excess Decay Fault
- Test 21 - Hydraulic Pump/Motor Circuit Test
- Test 22 - Hydraulic Pressure Performance Test
- Test 23A - DRB "No Response" Message
- Test 24 - Complaint Hard Pedal or Clicking Noise
- Test 25A - Noisy Pump Motor or Excess Run Time
- Test 26A - Complaint of Scraping/Whirring Noise
- Charging System (CH) Tests
- CH-1A Charging System No Code Test
- CH-1A Testing Battery
- CH-1B Testing Battery
- CH-2A Repair Fault Alt Field Not Switching Properly
- CH-2B Repair Fault Alt Field Not Switching Properly
- CH-2C Repair Checking Field Control For Shorts
- CH-3A Repair Fault Charge System Voltage Too Low
- CH-4A Repair Fault Charge System Voltage Too High
- CH-4B Checking Engine Controller Regulating Circuit
- CH-5 Check the Charging System With No Fault Messages
- Heating and Air Conditioning
- Erasing Codes 23-28
- Fault Code 1
- Fault Code 2
- Fault Code 3
- Fault Code 4
- Fault Code 5
- Fault Code 6
- Fault Code 7
- Fault Code 8
- Fault Code 9
- Fault Code 10
- Fault Code 11
- Fault Code 12
- Fault Code 13
- Fault Code 14
- Fault Code 15
- Fault Code 16
- Fault Code 17
- Fault Code 18
- Fault Code 19
- Fault Code 20
- Fault Code 21
- Fault Code 22
- Fault Code 23
- Fault Code 24
- Fault Code 25
- Fault Code 26
- Fault Code 27
- Fault Code 28
- Speed Control (SC) Tests
- Speed Control (SP) Tests
- SP-1A Reading Fault Codes
- SP-2A Servo Power/ Ground Open Circuit Test
- SP-2B Speed Control Vacuum Solenoid Control Test
- SP-2C Speed Control Vent Solenoid Circuit Test
- SP-3A "No Vehicle Speed Signal" Fault Test
- SP-3B "No Vehicle Speed Signal" Fault Test
- SP-3C "No Vehicle Speed Signal" Fault Test
- SP-4A Speed Control Switches Test
- SP-5A Speed Control Switches Test
- SP-5B Speed Control Switch Circuit Short Test
- SP-5C Switch Short to Ground Test
- SP-5D Switch Circuit Open Test
- SP-6A Speed Control Resume Switch Test
- SP-6B Speed Control Resume Switch Test
- SP-7A Speed Control Set Switch Circuit Test
- SP-7B Speed Control Set Switch Circuit Test
- SP-8A Speed Control Set Switch Circuit Test
- SP-9A Speed Control Switch Circuit Test
- SP-9B Clockspring Circuit Short Test
- SP-9C Testing Clockspring Circuit For Open
- SP-10A Speed Control Switch Circuit Short Test
- SP-11A Brake Switch Circuit Open Test
- SP-11B Brake Switch Circuit Short Test
- SP-12A Speed Control Servo Operation Test
- SP-12B Vacuum to Servo Test
- SP-13A Park/Neutral Safety Switch Test
- SP-14A Checking For Intermittent Faults
- Suspension Control
- Diagnostic Chart Index
- 1A DRBII Hook-Up/Reading Fault Message
- 2A Correcting No Response Condition
- 3A Testing System Operation
- 4A Air Suspension Control Module Faults
- 5A Compressor Does Not Shut Off
- 6A Testing Exhaust Solenoid Operation
- 7A Compressor Does Not Come on
- 7B Testing Compressor Operation
- 7C Testing Compressor Operation
- 8A Testing Rt Front Solenoid Operation
- 9A Testing LF Height Solenoid Operation
- 10A Testing Rear Front Height Solenoid Operation
- 11A Testing LF Height Sensor Operation
- 11B Testing RF Height Sensor Operation
- 11C Testing RF Height Sensor Operation
- 11D Testing RF Height Sensor Operation
- 12A Left Front Height Sensor Operation
- 12B Left Front Height Sensor Operation
- 12C Left Front Height Sensor Operation
- 12D Left Front Height Sensor Operation
- 13A Testing Rear Height Sensor Operation
- 13B Testing Rear Height Sensor Operation
- 13C Testing Rear Height Sensor Operation
- 13D Testing Rear Height Sensor Operation
- 14A Testing Compressor Operation
- 14B Testing Compressor Overrun Operation
- 14C Testing Compressor Overrun Operation
- 15A Testing ASCM Communications
- 16A Testing ASCM Communications
- 17A Rt FT Height Solenoid Staying Closed
- 18A LT FT Height Solenoid Staying Closed
- 19A Rear Height Solenoid Staying Closed
- 19B Rear Height Solenoid Staying Closed
- 19C Rear Height Solenoid Staying Closed
- 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
- Verification Tests
- Charging System Verification Tests
- Verification Test VER-1A - ABS
- Verification Test VER-1A - Air Bag
- Verification Test VER-1A - No Start Verification Test
- Verification Test VER-1A - Transmission Control System
- Verification Test VER-1B - Stop Lamp Switch Input Circuit - ABS
- Verification Test VER-1C - Accumulator Switch Input Circuit - ABS
- Verification Test VER-1D - Pressure Transducer Return Circuit - ABS
- Verification Test VER-1E - Pressure Transducer 5 Volt Circuit - ABS
- 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