A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection
- Diagnostic Trouble Code Descriptions
- FD or Undocumented Codes
- Code to Test Chart
- 2 and 3 Digit Codes
- 01 No Cam Signal at PCM
- 02 Internal Controller Failure
- 03 O2S Stays Above Center (Rich)
- 04 O2S Stays Below Center (Lean)
- 05 Charging System Voltage Too Low
- 06 Charging System Voltage Too High
- 09 O2S Stays Below Center (Lean)
- 10 Auto Shutdown Relay Control Circuit
- 11 No Crank Reference Signal at PCM
- 13 No Change In MAP From Start to Run
- 14 MAP Sensor Voltage
- 15 No Vehicle Speed Sensor Signal
- 16 A/C Clutch Relay Circuit
- 17 EGR Solenoid Circuit
- 18 EVAP Solenoid Circuit
- 21 Injector Control Circuit
- 21 Upstream O2 Sensor Shorted to Voltage
- 21 Upstream O2 Sensor Stays at Center
- 22 ECT Sensor Voltage Too High
- 22 ECT Sensor Voltage Too Low
- 23 Intake Air Temp Sensor
- 24 Throttle Position Sensor Failures
- 25 Idle Air Control Motor Circuits
- 26 Throttle Position Sensor Voltage Low
- 27 Injector Control Circuit
- 27 Throttle Position Sensor Voltage High
- 30 ECT Sensor Voltage Too Low
- 31 ECT Sensor Voltage Too High
- 31 EVAP Purge Solenoid Circuit
- 32 EGR Solenoid Circuit
- 32 EGR System Failure
- 32 Upstream O2S Stays at Center
- 33 A/C Clutch Relay Circuit
- 33 A/C Pressure Sensor Volts Too High
- 33 A/C Pressure Sensor Volts Too Low
- 33 No 5 Volts to A/C Pressure Sensor
- 34 Speed Control Solenoid/Switch Failures
- 35 High Speed Fan Control Relay Circuit
- 35 Low Speed Fan Control Relay Circuit
- 35 No Vehicle Speed Sensor Signal
- 36 MAP Sensor Voltage Too Low
- 37 MAP Sensor Voltage Too High
- 39 No Change In MAP From Start to Run
- 40 No Crank Reference Signal at PCM
- 41 Generator Field Not Switching Properly
- 42 Auto Shutdown Relay Control Circuit
- 42 Fuel Pump Relay Control Circuit
- 42 No ASD Relay Output Voltage at PCM
- 44 Battery Temp Sensor Voltage Out of Limit
- 44 No ASD Relay Output Voltage at PCM
- 46 Charging System Voltage Too High
- 46 EGR System Failure
- 47 Charging System Voltage Too Low
- 48 PCM Failure SRI Mile Not Stored
- 49 PCM Failure EEPROM Write Denied
- 51 O2S Stays Below Center (Lean)
- 52 O2S Stays Above Center (Rich)
- 53 Internal Controller Failure
- 53 PCM Failure SPI Communications
- 54 No Cam Signal at PCM
- 57 Intake Air Temp Sensor Voltage Low
- 58 Intake Air Temp Sensor Voltage High
- 62 PCM Failure SRI Mile Not Stored
- 62 Upstream O2S Shorted to Voltage
- 63 PCM Failure EEPROM Write Denied
- 66 No CCD Message From Body Control Module
- 66 No CCD Messages From TCM
- 68 PCM Failure SPI Communications
- 71 +5 Volt Supply Output Too Low
- 71 Battery Temp. Sensor Volts Out of Limit
- 77 Speed Control Power Relay Circuit
- 92 Low Speed Fan Control Relay Circuit
- 93 High Speed Fan Control Relay Circuit
- 96 No CCD Messages From TCM
- 101 Fuel Pump Relay Control Circuit
- 135 No 5 Volts to MAP Sensor
- 136 No 5 Volts to TP Sensor
- 146 +5 Volt Supply Output Too Low
- Scan Tool Text Codes
- A/C Clutch Relay Circuit
- A/C Pressure Sensor Volts Too High
- A/C Pressure Sensor Volts Too Low
- 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
- EVAP Purge Solenoid Circuit
- Fuel Pump Relay Control Circuit
- Generator Field Not Switching Properly
- High Speed Fan Control Relay Circuit
- Idle Air Control Motor Circuits
- Injector Control Circuit
- Intake Air Temp Sensor Voltage High
- Intake Air Temp Sensor Voltage Low
- 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 Signal at PCM
- No CCD Message From Body Control Module
- No CCD Message From TCM
- No Change In MAP From Start to Run
- No Crank Reference Signal at PCM
- No Vehicle Speed Sensor Signal
- No 5 Volts to A/C Pressure Sensor
- No 5 Volts to MAP Sensor
- No 5 Volts to TP Sensor
- O2S Stays Above Center (Rich)
- O2S Stays Below Center (Lean)
- PCM Failure EEPROM Write Denied
- PCM Failure SPI Communications
- PCM Failure SRI Mile Not Stored
- Speed Control Power Relay Circuit
- Speed Control Solenoid Circuits
- Speed Control Switch Always High
- Speed Control Switch Always Low
- Throttle Position Sensor Voltage High
- Throttle Position Sensor Voltage Low
- Upstream O2 Sensor Shorted to Voltage
- Upstream O2 Sensor Stays at Center
- 5 Volt Supply Output Too Low
- Detailed Descriptions
- Information Bus
- 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, 22, 23, 24, 25, 26, 27 Pressure Switch Circuits
- 21-27 Pressure Switch Circuits
- 28 Bad TRS Data
- 29 Throttle Position Sensor Signal Circuit
- 29 Throttle Position Signal
- 31, 32, 33 Hydraulic Pressure Switch
- 31-32 Hydraulic Pressure Switch Circuits
- 31-33 Hydraulic Pressure Switch Circuits
- 35 Check ATF Level
- 35 Loss of Prime
- 36 Fault Immediately After A Shift
- 37 Solenoid Switch Valve Latched In TCC Position
- 37 Solenoid Switch Valve Latched In the LU Position
- 38 Lockup Control Out of Range
- 38 Torque Converter Clutch Out of Range
- 41 - 44 Solenoid Circuit Errors
- 41, 42, 43, 44 Solenoid Circuit Error
- 45 Internal Controller Failure (EEPROM Byte Failure)
- 46 UD Hydraulic Circuit (3-4 Shift Abort)
- 46 UD Hydraulic Circuit Failure
- 47 Solenoid Switch Valve Latched In the LR Position
- 50 - 58 Speed Errors
- 50, 51 Speeds Error (Gear Ratio Error In Reverse, 1ST)
- 50-58 Output and Input Speed Errors
- 52, 53, 54 Speeds Error (Gear Ratio Error In 2ND, 3RD, 4TH)
- 56 Input Speed Sensor Error
- 57 Output Speed Sensor Error
- 58 Speed Sensor Ground Error
- 60, 61, 62 LR Inadequate Element Volume (LR, 2-4, OD)
- 60 62 Inadequate L-R Element Volume
- 60-63 Inadequate Element Volumes
- Listed by Code Name (Description)
- Manufacturer Code Charts
- Diagnostic Notes (Read Before Proceding)
- FD or Undocumented Codes
- Code to Test Chart
- 1, 2 and 3 Digit Codes
- 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 5 Volts to MAP Sensor
- TC-8A 5 Volt Supply Output Too Low
- TC-8B 5 Volt Supply Output Too Low
- TC-9A No Vehicle Speed Sensor Signal
- TC-9B No Vehicle Speed Sensor Signal
- TC-10A Front Upstream (Bank) O2S Shorted to Voltage
- TC-11A Front Upstream (Bank) O2S Stays at Center
- TC-12A Rear Upstream (Bank) O2S Shorted to Voltage
- TC-13A Rear Upstream (Bank) O2S Stays at Center
- TC-14A Front Upstream (Bank) O2S Stays Below Center (Lean)
- TC-15A Rear Upstream (Bank) O2S Stays Below Center (Lean)
- TC-16A Front Upstream (Bank) O2S Stays Above Center (Rich)
- TC-17A Rear Upstream (Bank) O2S Stays Above Center (Rich)
- TC-18A ECT Sensor Voltage Too Low
- TC-19A ECT Sensor Voltage Too High
- TC-20A Intake Air Temp Sensor Voltage Too Low
- TC-21A Intake Air Temp Sensor Voltage Too High
- TC-22A Throttle Position Sensor Voltage Too Low
- TC-23A Throttle Position Sensor Voltage Too High
- TC-24A No 5 Volts to TP Sensor
- TC-25A Idle Air Control Motor Circuits
- TC-25B Idle Air Control Motor Circuits
- TC-25C Idle Air Control Motor Circuits
- TC-25D Idle Air Control Motor Circuits
- TC-25E Idle Air Control Motor Circuits
- TC-26A Injector Control Circuit
- TC-26B Injector #1 Control Circuit
- TC-26C Injector #1 Control Circuit
- TC-27A Injector #2 Control Circuit
- TC-28A Injector #3 Control Circuit
- TC-28B Injector #3 Control Circuit
- TC-29A Injector #4 Control Circuit
- TC-30A Injector #5 Control Circuit
- TC-30B Injector #5 Control Circuit
- TC-31A Injector #6 Control Circuit
- TC-32A SRI Mile Not Stored or EEPROM Write Denied
- TC-33A EGR Solenoid Circuit
- TC-34A EGR System Failure
- TC-35A EVAP Purge Solenoid Circuit
- TC-36A A/C Clutch Relay Circuit
- TC-40A High Speed Fan Relay Control Circuit
- TC-41A Low Speed Fan Relay Control Circuit
- TC-42A Auto Shut Down (ASD) Relay Control Circuit
- TC-43A No ASD Relay Output Voltage at PCM
- TC-44A Fuel Pump Relay Control Circuit
- TC-45A Generator Field Not Switching Properly
- TC-46A Charging System Voltage Too Low
- TC-47A Charging System Voltage Too High
- TC-48C Speed Control Solenoids or Power Relay Circuit
- TC-51C Battery Temp Sensor Volts Out of Limit
- TC-52A No CCD Messages From TCM
- TC-53A No CCD Messages From Body Control Module
- TC-54A High Speed Condenser Fan CTRL Relay Circuit
- 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-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 Speed Control Operation
- SC-6A Speed Control Operation Inspection
- SC-6B Checking Speed Control Operation
- SC-6B Speed Control Operation Inspection
- SC-6C Checking Speed Control Operation
- SC-6C Speed Control Operation Inspection
- SC-7A Checking the Speed Control ON/OFF Switch
- SC-7A Speed Control On/Off Switch Inspection
- SC-8A Checking the Speed Control Brake Switch Output
- SC-8A Speed Control Brake Switch Output Inspection
- SC-9A Checking the Park/Neutral Position Switch
- SC-9A Park/Neutral Position Switch Inspection
- SC-10A Checking Speed Control Relay Output
- 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 - Information Bus
- 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