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
- Detailed Descriptions
- Antilock Brakes / Traction Control Systems
- Cruise Control
- 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
- 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 PRNDL Data
- 29 Throttle Position Sensor Signal Circuit
- 31-32 Hydraulic Pressure Switch Circuits
- 36 Fault Immediately After A Shift
- 37 Solenoid Switch Valve Latched In the LU Position
- 38 Lockup Control 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
- Code to Test Chart
- Driveability (DR) Tests
- DR-1A CODE to DR TEST Chart (Checking for Fault Codes)
- DR-2A "No Change In MAP From Start to Run"
- DR-3A "MAP Voltage Too Low"
- DR-4A "MAP Voltage Too High"
- DR-5A "No Vehicle Speed Signal"
- DR-5B "No Vehicle Speed Signal"
- DR-6A "Oxygen Sensor Signal Stays at Center"
- DR-7A "O2 Sensor Signal Shorted to Voltage"
- DR-8A Repairing "O2 Sensor Shorted to Voltage" Fault
- DR-9A Checking Oxygen Sensor Stays Below Center
- DR-10A "Coolant Voltage Too High"
- DR-11A "Coolant Sensor Voltage Low"
- DR-12A "Throttle Position Sensor Voltage High"
- DR-13A "Throttle Position Sensor Voltage Low"
- DR-14A "Automatic Idle Motor Circuits"
- DR-15A "Inj #1 Control Circuit"
- DR-16A "Inj #2 Control Circuit"
- DR-17A "Inj #3 Control Circuit"
- DR-18A "Inj #4 Control Circuit"
- DR-19A "Inj #5 Control Circuit"
- DR-20A "Inj #6 Control Circuit"
- DR-21A "Purge Solenoid Circuit"
- DR-22A "EGR Solenoid Circuit"
- DR-23A "EGR System Failure"
- DR-24A "A/C Clutch Relay Circuit"
- DR-25A "Radiator Fan Relay Circuit"
- DR-26A Repairing "No ASD Relay Voltage at Controller" Fault
- DR-27A "Ignition Coil #1 Primary Circuit"
- DR-28A "Ignition Coil #2 Primary Circuit"
- DR-29A "Ignition Coil #3 Primary Circuit"
- DR-30A EMR Miles Not Stored or EEPROM Write Denied
- DR-31A Intermittent Test For Sensor Voltage
- DR-31B Intermittent Test For Slow Change In MAP
- DR-32A Intermittent Test For IAC Motor Circuits
- DR-33A Intermittent Injector Control Circuit Fault
- DR-34A Intermittent Test For Relays & Solenoids
- DR-35A Intermittent ASD Voltage Sense Circuit Fault
- DR-36A Intermittent Ignition Control Circuit Fault
- Airbag System
- 1A Reading System Codes
- 2A Repairing A Blank Scan Tool Screen
- 2B Repairing A Blank Scan Tool Screen
- 3A Correcting "No Response" Condition
- 3B Correcting "No Response" Condition
- 4A Verification of Repair Test
- 5A Air Bag Module Codes
- 6A Repairing Code Front Sensor Short
- 6B Repairing Code Front Sensor Short
- 6C Repairing Code Front Sensor Short
- 7A Repairing Code Ignition 1 (Start/Run) Low
- 7B Repairing Code Ignition 1 (Start/Run) Low
- 8A Repairing Code Ignition 2 (Run Only) Low
- 8B Repairing Code Ignition 2 (Run Only) Low
- 9A Repairing Code Initiator (Squib) Open
- 10A Repairing Code Initiator (Squib) Short
- 11A Low Stored Energy
- 11B Low Stored Energy
- 12A One Front Sensor Open
- 12B One Front Sensor Open
- 13A ASDM Replacement Procedure
- 14A Two Front Sensors Open
- 14B Two Front Sensors Open
- 14C Two Front Sensors Open
- 15A Warning Lamp Open
- 16A Warning Lamp Short
- Antilock Brakes / Traction Control Systems
- Test 1A - Reading Fault Messages
- Test 2A - Testing Blank DRB II Message Screen
- Test 3A - DRB "No Response" Message
- Test 4 - Antilock Lamp Fault
- Test 5 - Antilock Lamp Relay Fault
- Test 6 - Boost Pressure Fault
- Test 7A - CAB Fault
- Test 8A - Excess Decay
- Test 9 - Hydraulic Pressure Performance Test
- Test 10 - Hydraulic Pump/Motor Circuit Test
- Test 11A - Left Front Wheel Speed Sensor Continuity Fault
- Test 12A - Left Front Wheel Speed Sensor
- Test 13 - Left Rear Wheel Speed Sensor Continuity Fault
- Test 14A - Left Rear Wheel Speed Sensor
- Test 15A - Low Accumulator Fault
- Test 16 - Low Fluid/Parking Brake Fault
- Test 17 - Modulator Fault
- Test 18 - Primary Pressure/Delta Pressure Fault
- Test 19A - Right Front Wheel Speed Sensor Continuity Fault
- Test 20A - Right Front Wheel Speed Sensor
- Test 21 - Right Rear Wheel Speed Sensor Continuity Fault
- Test 22A - Right Rear Wheel Speed Sensor
- Test 23 - Solenoid Undervoltage Fault
- Test 24A - Stop Lamp Switch Input Test
- Test 25 - System Relay Fault
- Test 26 - Hard Pedal or Clicking Noises
- Test 27A - Complaint of Noisy Pump Motor
- Test 28A - Complaint of Scraping/Whirring Noise
- Antitheft and Alarm Systems
- 1A Diagnosing Vehicle Theft Alarm
- 1B Diagnosing Vehicle Theft Alarm
- 2A Driver's Door Key Cylinder Switch
- 2B Driver's Door Key Cylinder Switch
- 3A Hood Ajar Switch
- 3B Hood Ajar Switch
- 4A Horn Output Circuit
- 5A Ignition Run/ACC
- 5B Ignition Run/ACC
- 6A Ignition Run Circuit
- 6B Ignition Run Circuit
- 7A Indicator Lamp Circuit
- 7B Indicator Lamp Circuit
- 8A No Response Message
- 9A Park Lamp Output
- 10A Passengers Door Key Cylinder Switch
- 10B Passengers Door Key Cylinder Switch
- 11A Power Door Lock Signal
- 12A Power Door Unlock Signal
- 13A Remote Keyless Entry
- 14A Trunk Key Cylinder Sense Switch
- 14B Trunk Key Cylinder Sense Switch
- Automatic Door Lock System
- 1A Identifying Vehicle Equipment
- 2A Automatic Door Locks Without RKE
- 2B Diagnosing Lock Signal to the Body Module
- 2C Automatic Door Locks Without RKE
- 3A Automatic Door Locks With RKE
- 3B Diagnosing Lock Signal RO the Body Controller
- 3C Automatic Door Locks With RKE
- 3D Automatic Door Locks With RKE
- 3E Automatic Door Locks With RKE
- 3F Automatic Door Locks With RKE
- 4A Identifying Faulty Door Ajar Circuit
- Body Control Module
- Courtesy Lamp System
- 5A Testing Courtesy Lamp Base System
- 5B Testing Courtesy Lamp Base System
- 5C Testing Courtesy Lamp Base System
- 6A Testing Door Jamb Switches and Checking For Shorts
- 7A Testing Left Front Door Jamb Switch Circuit
- 8A Testing Right Front Door Jamb Switch Circuit
- 9A Testing Left Rear Door Jamb Switch Circuit
- 10A Testing Right Rear Door Jamb Switch Circuit
- 11A Testing Headlamp Switch For Courtesy Lamp Circuit
- Door Ajar With Visual Message Center
- 70A Identifying Bad Door Ajar Circuit/Visual Mess Center
- 71A Left Front Door Ajar With Visual Message Center
- 71B Left Front Door Ajar With Visual Message Center
- 71C Left Front Door Ajar With Visual Message Center
- 72A Left Rear Door Ajar With Visual Message Center
- 72B Left Rear Door Ajar With Visual Message Center
- 72C Left Rear Door Ajar With Visual Message Center
- 73A Right Front Door Ajar With Visual Message Center
- 73B Right Front Door Ajar With Visual Message Center
- 73C Right Front Door Ajar With Visual Message Center
- 74A Right Rear Door Ajar With Visual Message Center
- 74B Right Rear Door Ajar With Visual Message Center
- 74C Right Rear Door Ajar With Visual Messenger Center
- Electronic Instument Cluster
- 15A Electronic Instrument Cluster Diagnostics
- 15B Electronic Instrument Cluster Illuminated Entry
- 16A Electronic Cluster Fault Codes
- 17A Electronic Instrument Cluster Problems/No Fault
- 17B Electronic Instrument Cluster Odometer Problem
- 17C Electronic Instrument Cluster Switch Test
- 18A Identifying Faulty Gauge
- 19A Temperature Gauge Problem
- 20A Identifying Faulty Warning Lamp
- 20B Faulty Warning Lamp
- 21A Door/Deck Warning Lamp
- 22A Seat Belt Warning Lamp
- 23A Electronic Instrument Cluster/Evic Illumination Test
- 23B Electronic Instrument Cluster/Evic Illumination Test
- 23C Electronic Instrument Cluster/Evic Illumination Test
- 23D Electronic Instrument Cluster/Evic Illumination Test
- 23E Electronic Instrument Cluster/Evic Illumination Test
- 24A Brake Warning Lamp Circuit
- 24B Brake Pressure Switch Without Antilock Brakes
- Headlamp Door System
- 60A Diagnostic Headlamp Door System
- 60B Headlamp Doors Will Not Open
- 60C Headlamp Doors Will Not Open
- 60D Headlamp Doors Will Not Open
- 61A Headlamp Doors Do Not Operate By Headlamp Switch
- 62A Headlamp Doors Will Not Open
- 62B Headlamp Doors Will Not Open
- 63A Headlamp Doors Will Not Open
- 64A Headlamp Doors Will Not Close
- 64B Headlamp Doors Will Not Close
- 64C Headlamp Doors Will Not Close
- 65A Headlamp Doors Do Not Open For 'Flash to Pass'
- Illuminated Entry System
- Intermittent Wiper System
- Key-In Lamp System
- Mechanical Cluster Warning Lamps
- Courtesy Lamp System
- Charging System (CH) Tests
- 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-5A Check For Intermittent Problems
- EVIC Panel Monitor
- 25A Blank EVIC Head Monitor
- 25B Blank EVIC Head Monitor
- 26A EVIC Head Switch Test
- 26B EVIC Head Switch Test
- 27A EVIC Head Warning Messages
- 28A Brake Lamp Setup Test/Faulty Brake Lamp
- 28B Brake Lamp Setup Test/Faulty Brake Lamp
- 29A All Brake Lamps Out
- 29B All Brake Lamp Out
- 29C All Brake Lamps Out
- 30A Right Side Brake Lamps Out
- 31A Left Side Brake Lamps Out
- 32A Right Barke Lamp Out
- 33A Right Brake Lamp Out
- 34A Left Brake Lamp Out
- 35A Left Brake Lamp Out
- 36A Repairing Faulty Low Oil Level Message
- 37A Repairing Faulty Coolant Level Message
- 38A Left Front Door Ajar Circuit
- 38B Door Ajar With Vehicle Theft Alarm
- 39A Left Rear Door Ajar Circuit
- 39B Door Ajar Circuit With Vehicle Theft Alarm
- 40A Right Front Door Ajar Circuit
- 40B Door Ajar With Vehicle Theft Alarm
- 41A Right Rear Door Ajar Circuit
- 41B Door Ajar Circuit With Vehicle Theft Alarm
- 42A Exterior on Message
- 43A Fasten Seat Belts Message
- 44A Headlamp System/Right Headlamp Out
- 44B Left Headlamp Out
- 45A Both Low Beam Headlamps Out
- 45B Faulty Headlamp Feed Circuit
- 46A Faulty Headlamp Out Message
- 47A Keys In Ignition
- 47B Keys In Ignition
- 48A Low Brake Fluid Message Without Antilock Brakes
- 49A Fuel Level Sensor Circuit
- 50A Oil Pressure Sensor Circuit
- 50B Oil Pressure Sensor Circuit
- 51A Faulty Park Brake Message
- 52A Identify Tail Lamp Out/Faulty Tail Lamp Message
- 53A Faulty Tail Lamp Out Message
- 54A Right Tail Lamp Out
- 55A Left Tail Lamp Out Message
- 56A All Tail Lamps Out
- 56B All Tail Lamps Out
- 56C All Tail Lamps Out
- 56D All Tail Lamps Out
- 56E All Tail Lamps Out
- 56F All Tail Lamps Out
- 56G All Tail Lamps Out
- 57A Trunk Ajar Switch Circuit
- 58A Faulty 'Turn Signal on' Circuit
- 59A Washer Fluid Switch Circuit
- 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 (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
- SP-15A Reading Faults
- SP-16A Speed Control Power Relay Fault Test
- SP-17A Speed Control Solenoid Fault Test
- SP-17B Speed Control Vacuum Solenoid Test
- SP-17C Speed Control Vent Solenoid Test
- SP-18A No Vehicle Speed Signal Fault Test
- SP-19A Speed Control Switches Test
- SP-20A Speed Control Switch Output Test
- SP-21A Brake Switch Circuit Open Test
- SP-21B Brake Switch Circuit Short Test
- SP-22A Park/Neutral Safety Switch Test
- Suspension Control
- 1 Inspect Load Level Connector In Trunk
- 2 Check Function of Load Level System
- 3 Testing For Air Leaks and Intermittent Wiring Problems
- 4 Testing the Function of the Air Compressor
- 5 Checking the Battery Voltage Supply to Module
- 6 Checking the Function of the Air Exhaust Solenoid
- 7 Checking the Height Sensor and Module
- 8 Checking the Sensor Ground
- 9 Checking the Height Sensor and Module
- 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
- 23A Bus Failure Messages For AC/AY Body Systems
- 24A Testing For Short to Battery on the Bus
- 24B Testing For Short to Battery on the Bus
- 24C Testing For Short to Battery on the Bus
- 25A Testing For Short to 5-Volts on the Bus
- 26A Testing For Short to Ground on the Bus
- 27A Testing For Bus(+) & Bus(-) Shorted Together
- 28A Testing For No Termination on the Bus
- 29A Testing For Bus Bias Level Too Low on the Bus
- 29B Testing For Bus Bias Level Too Low on the Bus
- 30A Testing For Bus Bias Level Too High on the Bus
- 30B Testing For Bus Bias Level Too High on the Bus
- 31A Testing For No Bus Bias on the Bus
- 32A Testing For Bus(+) Open on the Bus
- 33A Testing For Bus(-) Open on the Bus
- 34A Testing For Bus(+) & Bus(-) Open on the Bus
- 35A Testing For Not Receiving Bus Messages Correctly
- 36A No Response Messages For AC/AY Body Systems
- 37A Testing the Elec Instrument For No Response
- 37B Testing the Elec Instrument For No Response
- 37C Testing the Elec Instrument For No Response
- 38A Testing the Engine Node For No Response
- 39A Testing the Engine Node For No Response
- 39B Testing the Evic Head For No Response
- 40A Testing the Body Controlled For No Response
- 41A Testing the Engine Controler For No Response
- Verification Tests
- Charging System Verification Tests
- Verification Test SP-VER - Speed Control
- Verification Test VER - 1A
- Verification Test VER-1
- Verification Test VER-1A - ABS
- Verification Test VER-1A - Antitheft and Alarm System
- Verification Test VER-1A - Transmission Control System
- Verification Test VER-2
- Verification Test VER-3
- Diagnostic Trouble Code Descriptions