A L L Diagnostic Trouble Codes ( DTC )

• Testing and Inspection
  • Diagnostic Trouble Code Descriptions
    • Antilock Brake System (ABS)
    • 4L80-E Automatic Transmission
  • Manufacturer Code Charts
    • DTC 21
      • Antilock Braking System (ABS)
      • Powertrain Controls - ECM/PCM
        • 4L80E Automatic Transmission
        • Manual Transmission
    • DTC 22
      • Antilock Braking System (ABS)
      • Powertrain Controls - ECM/PCM
        • 4L80E Automatic Transmission
        • Manual Transmission
    • DTC 23
    • DTC 24
      • 4L80E Automatic Transmission
      • Manual Transmission
    • DTC 25
    • DTC 26
    • DTC 27
    • DTC 28
      • 4L80E Automatic Transmission
      • Manual Transmission
    • DTC 29
    • DTC 35
    • DTC 36
    • DTC 37
    • DTC 38
    • DTC 39
      • 4L80E Automatic Transmission
      • Manual Transmission
    • DTC 41
    • DTC 42
    • DTC 43
    • DTC 44
    • DTC 45
    • DTC 46
    • DTC 47
    • DTC 48
    • DTC 51
    • DTC 52
    • DTC 53
      • Antilock Braking System (ABS)
      • Powertrain Controls - ECM/PCM
        • 4L80E Automatic Transmission
        • Manual Transmission
    • DTC 54
    • DTC 58
      • 4L80E Automatic Transmission
      • Manual Transmission
    • DTC 59
      • 4L80E Automatic Transmission
      • Manual Transmission
    • DTC 61
    • DTC 62
    • DTC 63
    • DTC 65
    • DTC 66
    • DTC 67
    • DTC 68
      • Antilock Braking System (ABS)
      • Powertrain Controls - ECM/PCM
        • With 4L80E Transmission
        • Manual Transmission
    • DTC 71
    • DTC 72
    • DTC 73
      • Antilock Braking System (ABS)
      • Powertrain Controls - ECM/PCM
        • 4L80E Automatic Transmission
        • Manual Transmission
    • DTC 74
    • DTC 75
      • 4L80E Automatic Transmission
      • Manual Transmission
    • DTC 81
      • Antilock Braking System (ABS)
      • Lighting and Horns
      • Powertrain Controls - ECM/PCM
        • 4L80E Automatic Transmission
        • Manual Transmission
    • DTC 82
      • 4L80E Automatic Transmission
      • Manual Transmission
    • DTC 83
      • 4L80E Automatic Transmission
      • Manual Transmission
    • DTC 85
      • 4L80E Automatic Transmission
      • Manual Transmission
    • DTC 86
      • Antilock Braking System (ABS)
      • Powertrain Controls - ECM/PCM
        • 4L80E Automatic Transmission
        • Manual Transmission
    • DTC 87
      • Manual Transmission
      • With 4L80E Transmission
    • DTC 88
  • Related Tests, Information and Procedures
    • Chart A-1 No Service Engine Soon Light
    • Chart A-2 No ALDL Data or Won't Flash Code 12
    • Chart A-2 Won't Flash DTC 12 No Serial Data MIL On Steady