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
- Antilock Brakes / Traction Control Systems
 - Cruise Control
 - 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
 - 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-6A "Oxygen Sensor Signal Stays at Center"
 - DR-7A "O2 Sensor Signal Shorted to Voltage"
 - DR-8A "Coolant Voltage Too High"
 - DR-9A "Coolant Voltage Low"
 - DR-10A "Charge Temp Sensor Voltage High"
 - DR-11A "Charge Temp Sensor Voltage Too Low"
 - DR-12A "Throttle Position Sensor Voltage High"
 - DR-13A "Throttle Position Sensor Voltage Low"
 - DR-14A "Automatic Idle Motor Circuits"
 - DR-15A "Injector #1 Peak Current Not Reached"
 - DR-16A "Inj #1 Control CKT & Peak Current"
 - DR-17A "Injector #2 Peak Current Not Reached"
 - DR-18A "Inj #2 Control CKT & Peak Current"
 - DR-19A "Injector #3 Peak Current Not Reached"
 - DR-20A "Inj #3 Control Circuit & Peak Current"
 - DR-21A "Purge Solenoid Circuit"
 - DR-22A "EGR Solenoid Circuit"
 - DR-23A "EGR System Failure"
 - DR-24A "A/C Clutch Relay Circuit"
 - DR-26A "Radiator Fan Relay Circuit"
 - DR-28A "No ASD Relay Voltage at Controller"
 - DR-29A "Ignition Coil #1 Primary Circuit"
 - DR-30A "Ignition Coil #2 Primary Circuit"
 - DR-31A "Ignition Coil #3 Primary Circuit"
 - DR-32A "SBEC EMR Miles Not Stored"
 - 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 GRND & PWR 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
- 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 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 - Stop Lamp Switch Input Test
 
 - 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-4B Repairing Fault Charging System Voltage Too High
 - CH-5A Check For Intermittent Problems
 - Troubleshooting Test
 
 - Cruise Control
 - Speed Control (SP) Tests
- SP-1A Reading Fault Codes
 - SP-1A Reading Faults
 - 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 "No Vehicle Speed Signal"
 - SP-3A Repairing Fault Code "No Vehicle Speed Signal"
 - SP-3B Repairing Fault "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-5A Checking On/Off Switch
 - SP-5B Checking on/Off Switch
 - SP-5B Checking On/Off Switch
 - SP-6A Checking on/Off Switch
 - SP-6B Checking on/Off Switch
 - SP-7A Checking Resume Switch
 - SP-8A Checking Resume Switch
 - SP-9A Checking Set Switch
 - SP-10A 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
 
 - 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
 - 73 Worn Out/Burnt Transaxle Fluid
 - 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
 - 53A Testing For Short to Battery
 - 54A Testing For Short to 5 Volts
 - 55A Testing For Short to Ground
 - 56A Testing For Bus + & - Shorted Together
 - 57A Testing For No Termination
 - 58A Testing For Bus Bias Level Too Low
 - 58B Testing For Bus Bias Level Too Low
 - 59A Testing For Bus Bias Level Too High
 - 59B Testing For Bus Bias Level Too High
 - 60A Testing For No Bus Bias
 - 61A Testing For Bus + Open
 - 62A Testing For Bus - Open
 - 63A Testing For Bus + & - Bus Open
 - 64A Testing For Not Receiving Bus Messages Correctly
 - 65A No Response Messages
 - 66A Testing For Elec Instrument Cluster No Response
 - 66B Testing For Elec Instrument Cluster No Response
 - 66C Testing For Elec Instrument Cluster No Response
 - 67A Testing the Mechanical Cluster For No Response
 - 67B Testing the G5, A21 and A01 Wires For Power
 - 67C Testing the M01 Circuit
 - 68A Testing For A604 Transaxle Controller No Response
 - 69A Testing Mini Compass/Temp/Trip Module No Response
 - 70A Testing For Body Controller No Response
 - 70B Testing the G5, A21 and A01 Circuits
 - 70C Testing the M01 Circuit
 - 71A Testing For Engine Controller No Response
 - 72A 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
 
 
 - Verification Tests
- Charging System Verification Tests
 - Verification Test SP-VER - Speed Control
 - Verification Test VER-1
 - Verification Test VER-1 - ABS
 - Verification Test VER-1A - Air Bag
 - Verification Test VER-1A - Information Bus
 - Verification Test VER-1A - Transmission Control System
 - Verification Test VER-2
 - Verification Test VER-3
 
 
- Diagnostic Trouble Code Descriptions