A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Manufacturer Code Charts
    • DTC 13
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 14
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 15
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 21
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 22
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 23
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 24
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 25
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 32
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 33
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 34
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 42
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 44
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 45
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 51
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
    • DTC 55
      • VIN# 500,000 and Over
      • VIN# 499,999 and Under
  • Related Tests, Information and Procedures
    • System Diagnostic Charts - With VINS 499,999 and Under
      • A-Charts Diagnosis By Symptom
        • - 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 Won't Run
        • Chart A-5 Fuel Pump Relay Circuit
        • Chart A-7 Fuel System Diagnosis
      • C-Charts (Component and Circuit Testing)
        • When to Use This Section
        • Chart C-1A-2 Park/Neutral Switch Diagnosis; VIN 1
        • Chart C-1E-2 Power Steering Pressure Switch (PSPS) Diagnosis
        • Chart C-1D MAP Output Check: VIN K & 1
        • Chart C-2C Idle Air Control: VIN 1
        • Chart C-4D-1 DIS Misfire at Idle: VIN 1
        • Chart C-4D-2 Misfire Under Load: VIN 1
        • Chart C-7A EGR Valve Check Non-ECM Controlled: VIN 1 & K
        • Chart C-8A-2 125C Transmission Converter Clutch (TCC); VIN 1
        • Chart C-8B-2 M/T Shift Light Check: VIN 1
        • Chart C-10-A A/C Clutch Control; VIN 1
        • Chart C-12C Engine Cooling Fan; VIN 1
    • System Diagnostic Charts - With VINS 500,000 and Over
      • A-Charts Diagnosis By Symptom
        • - When to Use These Charts
        • Chart A-1 No Service Engine Soon Light: VIN 1
        • Chart A-2 Code 12 Will Not Flash: VIN K
        • Chart A-2 Code 12 Will Not Flash: VIN 1
        • Chart A-3 Engine Cranks But Won't Run: VIN 1
        • Chart A-5 Fuel Pump Relay Circuit: VIN 1
        • Chart A-7 Fuel System Diagnosis: VIN 1
      • C-Charts (Component and Circuit Testing)
        • - When to Use This Section
        • Chart C-1A-1 Park/Neutral Switch Diagnosis; VIN K & 1
        • Chart C-1E-1 Power Steering Pressure Switch (PSPS) Diagnosis
        • Chart C-1D MAP Output Check: VIN K & 1
        • Chart C-2C Idle Air Control: VIN 1
        • Chart C-4D-1 DIS Misfire at Idle: VIN 1
        • Chart C-4D-2 DIS Misfire Under Load: VIN 1
        • Chart C-7 EGR Valve Check Non-ECM Controlled: VIN 1
        • Chart C-8A Torque Converter Clutch: VIN 1 & K
        • Chart C-8B Manual Transmission Shift Light Check: VIN 1
        • Chart C-10-A A/C Clutch Control; VIN 1
        • Chart C-12 Engine Cooling Fan: VIN 1