A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Diagnostic Trouble Code Descriptions
  • Manufacturer Code Charts
    • DTC 13
    • DTC 14
    • DTC 15
    • DTC 21
    • DTC 22
    • DTC 23
    • DTC 24
    • DTC 25
    • DTC 33
    • DTC 34
    • DTC 42
    • DTC 44
    • DTC 45
    • DTC 51
    • DTC 53
  • Related Tests, Information and Procedures
    • A Charts
      • Chart A-1 No Service Engine Soon Light
      • Chart A-2 Won't Flash Code 12 Service Engine Light On
      • Chart A-3 Engine Cranks But Will Not Run
        • Part 1 of 2
        • Part 2 of 2
      • Chart A-5 Fuel Pump Relay Circuit Diagnosis
      • Chart A-7 Fuel System Diagnosis
        • 1 of 2
        • 2 of 2
    • C Charts
      • Chart C-1A Park/Neutral Switch Diagnosis
      • Chart C-1D Manifold Absolute Pressure (MAP) Output Check
      • Chart C-4 HEI System Check
        • 1.6L Early Production
        • 1.6L Late Production
      • Chart C-8A Torque Converter Clutch (TCC) Diagnosis
      • Chart C-8B Manual Trans. Shift Light Check
      • Chart C-10 A/C Clutch Control Circuit Diagnosis
      • Chart C-12 Coolant Fan Control Circuit
        • 1 of 2
        • 2 of 2