A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Diagnostic Trouble Code Descriptions
  • Manufacturer Code Charts
    • DTC 12
    • DTC 13
    • DTC 14
    • DTC 15
    • DTC 21
    • DTC 22
    • DTC 23
    • DTC 25
    • DTC 42
    • DTC 44
    • DTC 45
    • DTC 51
    • DTC 53
    • DTC 54
    • DTC 55
  • Related Tests, Information and Procedures
    • Chart 1 Dwell Fixed Under 15
    • Chart 2 Dwell Fixed Between 15 - 50 Open Coolant/Oxygen Sensor
    • Chart 3 Dwell Fixed Over 50
    • Chart 4 TPS Wide-Open Throttle Enrichment Circuit Check
    • Chart 5 Check Engine Light Inoperative
    • Chart 6 Won't Flash Code 12
    • Chart 7 Fuel Cut System Operational Check (Incl. Idle-Switch)