A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection- Diagnostic Trouble Code Descriptions
- Code to Test Chart
- 2 and 3 Digit Codes
- Detailed Descriptions
- Cruise Control
- Heating and A/C
- 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 Code Name (Description)
- Manufacturer Code Charts
- Code to Test Chart
- 1, 2 and 3 Digit Codes
- 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 Repairing "MAP Voltage Too Low" Fault
- DR-4A Repairing "MAP Voltage Too High" Fault
- DR-5A Repairing "No Vehicle Speed Signal" Fault
- DR-6A "Oxygen Sensor Signal Stays at Center"
- DR-7A Repairing "O2 Sensor Signal Shorted to Voltage" Fault
- DR-8A Repairing "Coolant Voltage Too High" Fault
- DR-9A Repairing "Coolant Voltage Low" Fault
- DR-10A Repairing "Charge Temp Sensor Voltage High" Fault
- DR-11A Repairing "Charge Temp Sensor Voltage Too Low" Fault
- DR-12A Repairing Throttle Position Sensor Voltage High" Fault
- DR-13A Repairing "Throttle Position Sensor Voltage Low" Fault
- DR-14A Repairing "Automatic Idle Motor Circuits" Fault
- DR-15A Repairing "Injector #1 Peak Current Not Reached" Fault
- DR-16A Repairing "Inj #1 Control CKT & Peak Current" Fault
- DR-17A Repairing "Injector #2 Peak Current Not Reached" Fault
- DR-18A Repairing "Inj #2 Control CKT & Peak Current" Fault
- DR-19A Repairing "Injector #3 Peak Current Not Reached" Fault
- DR-20A Repairing "Inj #3 Control Circuit & Peak Current" Fault
- DR-21A Repairing "Purge Solenoid Circuit " Fault
- DR-22A Repairing "EGR Solenoid Circuit" Fault
- DR-23A Repairing "EGR System Failure" Fault
- DR-25A Repairing "A/C Clutch Relay Circuit" Fault
- DR-27A Repairing Radiator Fan Relay Circuit" Fault
- DR-28A Repairing "No ASD Relay Voltage at Controller" Fault
- DR-29A Repairing "Ignition Coil #1 Primary Circuit" Fault
- DR-30A Repairing "Ignition Coil #2 Primary Circuit" Fault
- DR-31A Repairing "Ignition Coil #3 Primary Circuit" Fault
- DR-32A Repairing "SBEC EMR Miles Not Stored" Fault
- DR-33A Checking Secondary Ignition & Timing
- DR-34A Checking Fuel Pressure
- DR-34B Checking Fuel Pressure
- DR-35A Checking Coolant & TPS Calibration
- DR-36A Checking MAP Sensor Calibration
- DR-37A Checking Oxygen Sensor Switching
- DR-37B Checking Oxygen Sensor Switching
- DR-38A Checking Idle Speed Motor Operation
- DR-38B Checking Idle Speed Motor Operation
- DR-38C Checking Idle Speed Motor Operation
- DR-38D Checking Idle Speed Motor Operation
- DR-38E Checking Idle Speed Motor Operation
- DR-39A Checking Park/Neutral Switch Input
- DR-40A Checking Engine Controller Grounds & Power Circuits
- DR-41A Checking EGR Operation (Federal)
- DR-42A Checking Engine Vacuum
- DR-43A Checking Minimum Idle Air Flow
- DR-44A Checking Knock Sensor Circuit
- DR-45A No Fault Code Mechanical Test
- DR-46A Intermittent Test For Solenoids & Relays
- DR-47A Intermittent Test For Voltage Sensors
- DR-47B Intermittent Test For Voltage Sensors
- DR-48A Intermittent Test For AIS Motor Circuits
- DR-49A Intermittent Test For Fuel Injectors
- Airbag System
- 1A System Function
- 1B System Function
- 2A No Response Message on DRBII
- 2B No Response Message on DRBII
- 3A Airbag Module Codes
- 4A ASDM Replacement
- 5A Front Sensors Open Code
- 5B Front Sensors Open Code
- 6A Squib Open Circuit
- 7A Required For "Squib (Initiator) Short" Code
- 8A Required "Safing Sensor Short" Fault
- 9A Front Sensor Short Code
- 9B Front Sensor Short Code
- 9C Front Sensor Short Code
- 10A Front Sensor Open Code
- 11A Low Stored Energy Code
- 11B Low Stored Energy
- 12A Ignition Run Low Code
- 12B Low Stored Energy Code
- 13A For "Warning Lamp Open" Code
- 14A For "Warning Lamp Short" Code
- 15A Ignition Run/Start Low Code
- 15B Ignition Run/Start Low Code
- Antilock Brakes / Traction Control Systems
- Diagnostic Charts (By Test or Chart Number)
- Test 1 - Read Fault Message
- Test 1A - Checking System For Faults
- Test 1A - Reading Fault Messages
- Test 1B - Fault (Trouble) Code Messages
- Test 2A - CAB Fault Test
- Test 2A - Modulator Fault
- Test 3 - Modulator Fault
- Test 3A - Modulator Fault Message
- Test 3B - Right Rear Isolation Valve
- Test 3C - Left Rear Isolation Valve
- Test 3D - Right Front Isolation Valve
- Test 3E - Left Front Isolation Valve
- Test 3F - Rear Decay Valve
- Test 3G - Right Front Decay Valve
- Test 3H - Left Front Decay Valve
- Test 3J - Rear Build Valve
- Test 3K - Right Front Build Valve
- Test 3L - Left Front Build Valve
- Test 4 - Solenoid Undervoltage
- Test 5 - Low Fluid/Parking Brake Fault
- Test 6 - System Relay Fault
- Test 7 - Low Accumulator Fault
- Test 7A - 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 11A - 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
- 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 23A - Stop Lamp Switch Input Test
- Test 24 - Complaint Hard Pedal or Clicking Noise
- Test 24A - System Verification Test
- Test 25 - DRB II Error Message
- Test 25A - Noisy Pump Motor or Excess Run Time
- Test 26A - Complaint of Scraping/Whirring Noise
- Related Tests and Information
- Diagnostic Charts (By Test or Chart Number)
- Automatic Door Lock System
- Body Control Module
- Symptom Identification (Start Here)
- Courtesy Lamp System
- Door Ajar System
- Door Ajar With Visual Message Center
- Electronic Instument Cluster
- Fuel Level Sending Unit
- Headlamp Door System
- Headlamp Time Delay System
- Illuminated Entry System
- Intermittent Wiper System
- Key-In Lamp System
- Mechanical Cluster Warning Lamps
- Oil Pressure Sending Unit
- Trunk Ajar Switch
- Vehicle Theft Alarm
- Washer Fluid Level Switch
- 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 Repairing Fault Alt Field Not Switching Properly
- 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
- 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 Repairing Fault "Speed Control Solenoid Circuits"
- SP-2B Repairing Fault "Speed Control Solenoid Circuits"
- SP-2C Repairing Fault "Speed Control Solenoid Circuits"
- SP-3A Repairing Fault Code "No Vehicle Speed Signal"
- SP-3B Repairing Fault Code "No Vehicle Speed Signal"
- SP-4A Checking Speed Control Switches
- SP-5A Checking On/Off Switch
- SP-5B Checking On/Off Switch
- SP-7A Checking Resume Switch
- SP-9A Checking Set Switch
- SP-11A Checking Brake Switch
- SP-11B Checking Brake Switch
- SP-12A Checking Neutral Safety Switch
- SP-13A Checking Speed Control Servo Operation
- SP-13B Checking Speed Control Servo Operation
- SP-14A Checking For Intermittent Faults
- SP-15A Reading Faults
- SP-16A Repairing Fault "Speed Control Power Relay Circuit"
- SP-17A Repairing Fault "No Vehicle Speed Signal"
- SP-18A Repairing Fault "Speed Control Solenoid Circuit"
- SP-18B Repairing Fault "Speed Control Solenoid Circuit"
- SP-18C Repairing Fault "Speed Control Solenoid Circuit"
- SP-19A Checking Switches
- SP-20A Checking Speed Control Switches
- SP-20B Checking Speed Control Switches
- SP-21A Checking Brake Switch
- SP-21B Checking Brake Switch
- SP-22A Checking Neutral Safety Switch
- Suspension Control
- 1A DRBII Hook-Up/Reading Fault Message
- 1A Function of Load Level System
- 2A Verification of Repair
- 2A Verification Test
- 2B No Fault Message Test
- 3A Check Function of Compressor
- 3A Right Front Height Sensor Circuit
- 4A Check For Battery Voltage Supply to Module
- 4A Left Front Height Sensor Circuit
- 5A Check Function of Air Exhaust System
- 5A Rear Height Sensor Circuit
- 6A "No Message Received" Message
- 6A Check Height Sensor "Trim"
- 7A "Compressor Overrun" Message
- 7A Testing Height Sensor Ground
- 8A "Disabling Bus Message"
- 8A Testing Height Sensor Circuit
- 9A Compressor Fails to Run
- 9B Compressor Fails to Run
- 10A Right Front Will Not Raise or Lower
- 11A Both Front Springs Will Not Lower
- 12A Left Front Will Not Raise or Lower
- 13A Rear Will Not Raise or Lower
- 13B Rear Will Not Raise
- 14A Solenoid Test
- Transmission Control System
- Diagnostic Test Procedures
- Guidelines For Using 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 General Failure Messages
- 2A Testing For RAM Failure
- 3A Testing For Cartridge Error Message
- 4A Testing for Keypad Failure
- 5A Testing for High Battery Message
- 6A Testing for Low Battery Message
- 7A Bus Failure Messages
- 8A Testing For Short to Battery
- 8B Testing For Short to Battery
- 8C Testing For Short to Battery
- 9A Testing For Short to 5 Volts
- 10A Testing For Short to Ground
- 11A Testing For Bus + & - Bus Shorted Together
- 12A Testing For No Termination
- 13A Testing For Bus Bias Level Too Low
- 13B Testing For Bus Bias Level Too Low
- 14A Testing For Bus Bias Level Too High
- 14B Testing For Bus Bias Level Too High
- 15A Testing For No Bus Bias
- 16A Testing For Bus + Open
- 17A Testing For Bus - Open
- 18A Testing For Bus + & - Bus Open
- 19A Testing For Not Receiving Bus Messages Correctly
- 20A No Response Messages
- 21A Testing For Elec Instrument Cluster No Response
- 21B Testing For Elec Instrument Cluster No Response
- 21C Testing For Elec Instrument Cluster No Response
- 21D Testing For Elec Instrument Cluster No Response
- 21E Testing For Elec Instrument Cluster No Response
- 22A Testing For Engine Node No Response
- 23A Testing For EVIC Head No Response
- 23B Testing For EVIC Head No Response
- 23C Testing For EVIC Head No Response
- 24A Testing For Vehicle Theft Alarm No Response
- 25A Testing For Transaxle Controller 'No Response
- 26A Testing For Air Suspension Module No Response
- 27A Testing For Body Controller No Response
- 27B Testing For Body Controller No Response
- 27C Testing For Body Controller No Response
- 27D Testing For Body Controller No Response
- 27E Testing For Body Controller No Response
- 28A Testing For Engine Controller No Response
- 29A Testing For Blank DRBII Message Screen
- 106A Motorized Seat Belt Blank DRBII
- 107A Motorized Seat Belt No Response
- 107B Motorized Seat Belt No Response
- 108A Testing Diag Conn For Gnd/DRB For Proper Operation
- 109A Testing For No Response on the DRBII Message Screen
- 109B Testing For No Response on the DRBII Message Screen
- 110A Testing Bendix ABS System For Blank Message Screen
- 111A Testing Bendix ABS System For No Response Message
- 114A Testing For Blank DRBII Message Screen
- Verification Tests
- Charging System Verification Tests
- Test 90A
- Verification Test SP-VER - Speed Control
- Verification Test VER-1
- Verification Test VER-1 - ABS
- Verification Test VER-1A - ABS
- Verification Test VER-1A - Air Bag
- Verification Test VER-1A - Information Bus
- 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-2
- Verification Test VER-3
- Diagnostic Trouble Code Descriptions