A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Diagnostic Trouble Code Descriptions
    • Computers and Control Systems
      • California Only
      • Federal
    • Heating and Air Conditioning
    • Restraint Systems
    • Transmission and Drivetrain
  • Manufacturer Code Charts
    • Computers and Control Systems
    • Heating and Air Conditioning
      • Test Point 1 - Power Supply to Heater/AC Regulator
      • Test Point 2 - Inside Temperature Sensor
      • Test Point 3 - Left Mixing Chamber
      • Test Point 4 - Right Mixing Chamber
      • Test Point 5 - Evaporator Temperature Sensor
      • Test Point 6 - Rear Fan Temperature Sensor
      • Test Point 7 - Oil Cooler Temp. Sensor
      • Test Point 8 - Defrost Flap Motor
      • Test Point 9 - Footwell Flap Motor
      • Test Point 10 - Fresh Air Flap Motor
      • Test Point 11 - Left Mixing Flap Motor
      • Test Point 12 - Right Mixing Flap Motor
      • Test Point 13 - Left Heater Blower Motor
      • Test Point 14 - Right Heater Blower Motor
      • Test Point 15 - Condenser Blower Motor
      • Test Point 16 - Oil Cooler Blower Motor
      • Test Point 17 - Rear Blower Motor Speed 1
      • Test Point 18 - Rear Blower Motor Speed 2
      • Test Point 19 - Inside Sensor Blower Motor
    • Restraint Systems
      • Test Point 1
      • Test Point 2
      • Test Point 3
      • Test Point 4
      • Test Point 5
      • Test Point 6
      • Test Point 7
      • Test Point 8
      • Test Point 9
      • Test Point 10
      • Test Point 11
      • Test Point 12
      • Test Point 13
      • Test Point 14
    • Transmission and Drivetrain
      • Test Point 0 - Diagnosis Connector
      • Test Point 1 - Voltage Control Unit
      • Test Point 2 - Permanent Positive
      • Test Point 3 - Voltage of Drive Links
      • Test Point 4 - Voltage of Sensors
      • Test Point 5 - RPM Signal From DME
      • Test Point 6 - Load Signal
      • Test Point 7 - Throttle Potentiometer
      • Test Point 8 - Change of Ignition Timing
      • Test Point 9 - Solenoid Valve 1
      • Test Point 10 - Solenoid Valve 2
      • Test Point 11 - Solenoid Valve, Torque CONV. Clutch
      • Test Point 12 - Pressure Regulator
      • Test Point 13 - Selector Lever Switch
      • Test Point 14 - Speed Sensor, Transmission
      • Test Point 15 - Transmission Temperature Sensor
      • Test Point 16 - Selector Lever Switch (For Starting)
      • Test Point 17 - Control Unit Faulty
      • Test Point 18 - Control Unit Faulty
      • Test Point 19 - Control Unit Faulty
      • Test Point 20/21 - Downshift Fault/Rev. Limiter
      • Test Point 22 - Manual Program Switch
      • Test Point 23 - Up/Down Shift Tip Switch
      • Test Point 24 - Kickdown Switch
      • Test Point 25 - Transverse Acceleration Sensor
      • Test Point 26 - Speed Signal 1 (ABS)
      • Test Point 27 - Combi-Instrument Input
      • Test Point 28 - Oil Cooler Blower Relay
      • Test Point 29 - R-Position Switch
      • Test Point 30 - Reverse Light Relay