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