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
      • With Remote Buffer
      • With Integral Buffer
    • DTC 33
    • DTC 34
    • DTC 42
    • DTC 44
    • DTC 45
    • DTC 51
    • DTC 55
  • Related Tests, Information and Procedures
    • A Charts
      • - When to Use These Charts
      • Chart A-1 No Service Engine Soon 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-1D Manifold Absolute Pressure (MAP) Output Check
      • Chart C-1E Power Steering Pressure Signal: VINS O 2 R & U
      • Chart C-2C Idle Air Control: VIN 0 VIN 2 & VIN R
      • Chart C-7A EGR Valve Check Non-ECM Controlled: VINS O 2 & R
      • Chart C-8 Transmission Converter Clutch: VINS 0, 2 & R
      • Chart C-8A Transmission Converter Clutch: VIN 2 & VIN R
      • Chart C-8B Shift Light: VIN O, VIN 2 & VIN R
      • Chart C-10 A/C Clutch Control: VIN O, VIN 2 & VIN R
      • Chart C-12 Cooling Fan Control Circuit: VIN 0, VIN 2 & VIN R