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-2 "MAP Pneumatic Signal"
- DR-3 "MAP Pneumatic Change"
- DR-4 "MAP Voltage Too Low"
- DR-5 "MAP Voltage Too High"
- DR-6 "Vehicle Speed Signal"
- DR-7 "Oxygen Sensor Signal"
- DR-8 "Oxygen Sensor Shorted High"
- DR-9 "Coolant Voltage Low"
- DR-10 "Coolant Voltage High"
- DR-11 "T/B Temp Voltage Low"
- DR-12 "T/B Temperature Voltage High"
- DR-13 "TPS Voltage Low"
- DR-14 "TPS Voltage High"
- DR-15 "AIS Motor Circuits"
- DR-16 "Purge Solenoid CKT"
- DR-17 "EGR Solenoid Circuit"
- DR-18 "EGR Systems Failure"
- DR-19 "A/C Clutch Relay CKT"
- DR-20 "A/C Clutch Relay CKT"
- DR-21 "Radiator Fan Relay"
- DR-22 "Radiator Fan Relay"
- DR-23 "PTU Solenoid Circuit"
- DR-24 "EEPROM Write Denied"
- DR-24 "EMR Miles Not Stored"
- DR-25 Checking Idle Motor Operation
- DR-25 Checking MAP Sensor & Air Cleaner Heat Door
- DR-25 Checking Operation of Sensors
- DR-25 Checking Park/Neutral Switch Input
- DR-25 Checking SBEC Ground & Power Circuits
- DR-26 Checking EGR Operation (Federal)
- DR-27 Ignition System Output
- DR-28 Checking Base Timing & Fuel Pressure
- DR-28 Checking In Tank Fuel Pump & Filter
- DR-29 Repairing Fuel Mixture Faults
- DR-30 Repairing "Lean F/A Condition" Fault
- DR-31 Checking Oxygen Sensor Heater
- DR-32 Checking Minimum Idle Air
- DR-33 Other Problems Relating to Driveability
- DR-34 Intermittent Test For Solenoids & Relays
- DR-35 Intermittent Test For MAP Sensor Pneum. Change
- DR-36 Intermittent Test For Voltage Sensors
- DR-37 Intermittent Test For Idle Motor Circuits
- DR-38 Intermittent Test For Fuel Injector
- Airbag System
- 1 System Function
- 2 No Response Message on DRBII
- 3 Fault Messages
- 4 Safing Sensor Short
- 5 Front Sensors Open
- 6 Squib Open
- 7 Squib Short
- 8 Safing Sensor Short
- 9 Front Sensor Short
- 10 Front Sensor Open
- 11 Low Stored Energy
- 12 Ignition Run Low
- 13 Warning Lamp Short
- 14 Warning Lamp Open
- 15 Ignition Run/Start Low
- 16 Diagnostic Module
- 17 System Check
- Antilock Brakes / Traction Control Systems
- Test 1B - Fault (Trouble) Code 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 14A - Left 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
- Speed Control (SP) Tests
- SP-1 Checking DRBII Operation and Reading Faults
- SP-2 Repairing Fault "S/C Servo Solenoids"
- SP-3 Repairing Fault "Vehicle Speed Sensor"
- SP-4 Checking Switch Input
- SP-5 Testing On/Off Switch
- SP-6 Testing On/Off Switch For Minvan,Truck or Q-Body
- SP-7 Testing Resume Switch
- SP-8 Testing Resume Switch For Mini-Van,Truck or "Q" Body
- SP-9 Testing Set Switch
- SP-10 Testing Set Switch For Minivan,Truck or Q-Body
- SP-11 Testing Brake Switch Input
- SP-12 Testing Park/Neutral Switch Input
- SP-13 Checking Servo Power & Ground Circuits
- SP-13 Servo Actuator Test
- SP-14 Speed Control Performance Check
- Verification Tests