A L L Diagnostic Trouble Codes ( DTC )
Testing and Inspection- Diagnostic Trouble Code Descriptions
- Manufacturer Code Charts
- Code to Test Chart
- Driveability (DR) Tests
- DR-1A CODE to DR TEST Chart (Checking for Fault Codes)
- DR-2A "Slow Change In Idle MAP Signal"
- DR-3A Repairing "No Change In MAP From Start to Run" Fault
- DR-4A Repairing "MAP Voltage Too Low" Fault
- DR-5A Repairing MAP "Sensor Voltage Too High" Fault
- DR-6A "No Vehicle Speed Signal"
- DR-7A Repairing "Oxygen Sensor Signal Stays at Center" Fault
- DR-8A Repairing "O2 Sensor Signal Shorted to Voltage" Fault
- DR-9A Repairing "Coolant Temp Sensor Voltage Too High" Fault
- DR-10A Repairing "Coolant Temp Sensor Voltage Low" Fault
- DR-11A Repairing "Throttle Position Sensor Voltage Hi" Fault
- DR-12A Repairing Throttle Position Sensor Voltage Low" Fault
- DR-13A Repairing "Automatic Idle Speed Motor Circuits" Fault
- DR-14A Repairing "Injector #1 Control Circuit" Fault
- DR-15A Repairing "Injector #2 Control Circuit" Fault
- DR-16A Repairing "Injector #3 Control Circuit" Fault
- DR-17A Repairing "Injector #4 Control Circuit" Fault
- DR-18A Repairing "Purge Solenoid Circuit" Fault
- DR-19A Repairing "Charge Temp Sensor Voltage High" Fault
- DR-20A Repairing "Charge Temp Sensor Voltage Low" Fault
- DR-21A Repairing "Ignition Coil #1 Primary Circuit" Fault
- DR-21B Repairing "Ignition Coil #1 Primary Circuit" Fault
- DR-22A Repairing "Ignition Coil #2 Primary Circuit" Fault
- DR-22B Repairing "Ignition Coil #2 Primary Circuit" Fault
- DR-23A Repairing "A/C Clutch Relay Circuit" Fault
- DR-24A Repairing "Radiator Fan Relay Circuit" Fault
- DR-25A Repairing "Wastegate Solenoid Circuit" Fault
- DR-26A Repairing "No ASD Relay Voltage at Controller" Fault
- DR-27A Repairing "Turbo Boost Limit Exceeded" Fault
- DR-27B Repairing "Turbo Boost Limit Exceeded" Fault
- DR-27C Repairing "Turbo Boost Limit Exceeded" Fault
- DR-28A Repairing "BARO Read Solenoid Circuit" Fault
- DR-29A Controller Failure EEPROM Write Denied
- DR-30A Checking Secondary Ignition & Timing
- DR-31A Checking Fuel Pressure
- DR-31B Checking Fuel Pressure
- DR-32A Checking Coolant Temperature & TPS Calibrations
- DR-33A Checking MAP Sensor Calibration
- DR-34A Checking Oxygen Sensor Switching
- DR-34B Checking Oxygen Sensor Switching (Locked Lean)
- DR-35A Checking Idle Motor Operation
- DR-35B Checking Idle Motor Operation
- DR-35C Checking Idle Motor Operation
- DR-35D Checking Idle Motor Operation
- DR-35E Checking Idle Motor Operation
- DR-36A Checking Engine Controller Ground & Power Circuits
- DR-37A Checking Engine Vacuum
- DR-38A Checking Minimum Air Flow
- DR-39A Checking Knock Sensor Circuit
- DR-40A No Fault Code Mechanical Test
- DR-41A Intermittent Test For Relays & Solenoids
- DR-42A Intermittent Test For Voltage Sensors
- DR-43A Intermittent Test For AIS Motor Circuits
- DR-44A 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 2A - Testing Blank DRB II Message Screen
- Test 3 - Modulator Fault
- Test 3A - DRB "No Response" Message
- Test 4 - Antilock Lamp Fault
- Test 4 - Solenoid Undervoltage
- Test 5 - Antilock Lamp Relay Fault
- Test 5 - System Relay Fault
- Test 6 - Pump/Motor Fault
- Test 6A - CAB Fault
- Test 7 - Antilock Lamp Fault
- Test 7A - Excess Decay Valve Fault
- Test 8 - Antilock Lamp Relay Fault
- Test 8A - Left Front Wheel Speed Sensor Continuity Fault
- Test 9 - Right Rear Wheel Speed Sensor Continuity Fault
- Test 9A - Left Front Wheel Speed Sensor
- Test 10 - Left Rear Wheel Speed Sensor Continuity Fault
- Test 11 - Right Front Wheel Speed Sensor Continuity Fault
- Test 11A - Left Rear Wheel Speed Sensor Fault
- Test 12 - Modulator Fault
- Test 12A - Left Front Wheel Speed Sensor
- Test 13A - Right Rear Wheel Speed Sensor
- Test 13A - Stop Lamp Switch Input Test
- Test 14 - Pump Motor Fault
- Test 14A - Left Rear Wheel Speed Sensor
- Test 15 - Red Brake Warning Lamp Input Test
- Test 15A - Right Front Wheel Speed Sensor
- Test 16A - Left Front Wheel Speed Sensor Fault
- Test 16A - Right Front Wheel Speed Sensor Continuity Fault
- Test 17A - Excess Decay Valve Fault
- Test 17A - Right Front Wheel Speed Sensor
- Test 18 - Red Brake Warning Lamp Input Test
- Test 18A - Right Rear Wheel Speed Sensor Continuity Fault
- Test 19A - Right Rear Wheel Speed Sensor Fault
- Test 19A - Stop Lamp Switch Input Test
- Test 20 - Solenoid Undervoltage Fault
- Test 20A - System Verification Test
- Test 21 - System Relay Fault
- 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
- 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
- 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
- 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