A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Manufacturer Code Charts
    • DTC 13
    • DTC 14
    • DTC 15
    • DTC 21
    • DTC 22
    • DTC 24
    • DTC 32
    • DTC 33
    • DTC 34
    • DTC 42
    • DTC 43
    • DTC 44
    • DTC 45
    • DTC 51
    • DTC 52
    • DTC 55
  • Related Tests, Information and Procedures
    • A Charts
      • - When to Use These Charts
      • Chart A-1 No Check Engine Light
      • Chart A-2 Code 12 Will Not Flash
      • Chart A-3 Engine Cranks But Will Not Run
      • Chart A-4 Engine Cranks But Will Not Run
      • Chart A-5 Fuel System Diagnosis
      • Chart A-6 Fuel System Diagnosis
      • Chart A-7 Fuel System Diagnosis
    • C Charts
      • - When to Use This Section
      • Chart C-1A Park/Neutral Switch Diagnosis
      • Chart C-1B Crank Signal Diagnosis
      • Chart C-1D Manifold Absolute Pressure (MAP) Output Check
      • Chart C-2C Idle Air Control: VIN Z (4.3L)
      • Chart C-3 Canister Purge Valve: VIN Z (4.3L)
      • Chart C-5 Electronic Spark Control Check: VIN Z (4.3L)
      • Chart C-6B Air Management Check: VIN Z (4.3L)
      • Chart C-7 EGR Check
      • Chart C-8 Transmission Converter Clutch: VIN Z (4.3L)