GM Service Manual Online
For 1990-2009 cars only

Diagnostic Trouble Code Identification for Chevrolet Chevy MD Steel Tilt (W Model) 1997

Diagnostic Trouble Code (DTC) Identification Diagnostic Types

DTC

Description

DTC Type

Default Action

P0218

Transmission Fluid Overtemperature

D

    • DTC P0218 will be stored in the VCM history.
    • The VCM freezes shift adapts.

P0502

Output Shaft Speed (OSS) Sensor - Low Input

D/B

    • DTC P0502 will be stored in the VCM history.
    • The VCM freezes shift adapts.
    • The VCM commands maximum line pressure
    • The VCM defaults a calculated OSS from the A/T ISS Sensor output.
    • The VCM illuminates the MIL for California emissions.

P0560

System Voltage Malfunction

D

    • DTC P0560 will be stored in VCM history
    • The VCM freezes shift adapts.
    • The VCM commands an immediate landing to second gear.
    • The VCM turns off all transmission output devices

P0711

Automatic Transmission Fluid Temperature (TFT) Sensor Circuit Range/Performance

D/B

    • DTC P0711 will be stored in the VCM history.
    • The VCM freezes shift adapts.
    • The VCM defaults the TFT to 140°C
        (284°F).
    • The VCM illuminates the MIL for California emissions.

P0712

Transmission Fluid Temperature Sensor Circuit - Low Input

D/B

    • DTC P0712 will be stored in VCM history
    • The VCM freezes shift adapts
    • The VCM defaults TFT to 140°C (284°F) for shift scheduling (hot mode pattern)
    • The VCM illuminates the MIL for California emissions.

P0713

Transmission Fluid Temperature Sensor Circuit - High Input

D/B

    • DTC P0713 will be stored in VCM history.
    • The VCM freezes shift adapts.
    • The VCM defaults TFT to 140°C (284°F) for shift scheduling (hot mode pattern)
    • The VCM illuminates the MIL for California emissions.

P0716

Input/Turbine Speed Sensor Circuit - Range/Performance

D/B

    • DTC P0716 will be stored in VCM history.
    • The VCM freezes shift adapts.
    • The VCM commands drive 2 line pressure
    • The VCM illuminates the MIL for California emissions.

P0717

Input/Turbine Speed Sensor Circuit - No Signal

D/B

    • DTC P0717 will be stored in VCM history.
    • The VCM freezes shift adapts.
    • The VCM commands Drive 2 line pressure.
    • The VCM illuminates the MIL for California emissions.

P0719

Brake Switch Circuit Stuck On - Low Input

D/B

    • DTC P0719 will be stored in VCM history.
    • The VCM freezes shift adapts.
    • The VCM inhibits fourth gear engagement
    • The VCM illuminates the MIL for California emissions.

P0724

Brake Switch Circuit Stuck Off - High Input

D

DTC P0724 will be stored in VCM history.

P0730

Undefined Gear Ratio

D

    • DTC P0730 will be stored in VCM history
    • The VCM commands maximum line pressure.
    • The VCM freezes shift adapts.

P0741

Torque Converter Clutch (TCC) Circuit Stuck Off

D/B

    • DTC P0741 will be stored in VCM history.
    • The VCM inhibits TCC engagement.
    • The VCM inhibits fourth gear engagement.
    • The VCM illuminates the MIL for California emissions.

P0742

Torque Converter Clutch (TCC) Stuck On

D/B

    • DTC P0742 will be stored in VCM history.
    • The VCM freezes shift adapts.
    • The VCM commands Drive 2 line pressure.
    • The VCM illuminates the MIL for California emissions.

P0748

Pressure Control Solenoid Valve (PC Sol. Valve) - Electrical

D

    • DTC P0748 will be stored in VCM history.
    • The VCM freezes shift adapts.
    • The VCM disables the PC Sol. Valve.

P0751

1-2 Shift Solenoid Valve (1-2 SS Valve) - Performance

D/B

    • DTC P0751 will be stored in VCM history.
    • The VCM freezes shift adapts.
    • The VCM commands maximum line pressure.
    • The VCM illuminates the MIL for California emissions.

P0753

1-2 Shift Solenoid Valve (1-2 SS Valve) - Electrical

D/A

    • DTC P0753 will be stored in VCM history.
    • The VCM freezes shift adapts.
    • The VCM maximum line pressure.
    • The VCM illuminates the MIL for California emissions.

P0756

2-3 Shift Solenoid Valve (2-3 SS Valve) - Performance

D/A

    • DTC P0756 will be stored in VCM history.
    • The VCM freezes shift adapts.
    • The VCM commands maximum line pressure.
    • The VCM commands an immediate landing to second gear.
    • The VCM illuminates the MIL for California emissions.

P0758

2-3 Shift Solenoid Valve (2-3 SS Valve) - Electrical

D/A

    • DTC P0758 will be stored in VCM history
    • The VCM freezes shift adapts.
    • The VCM commands maximum line pressure.
    • The VCM commands an immediate landing to second gear.
    • The VCM illuminates the MIL for California emissions.

P1810

Automatic Transmission Fluid Pressure Manual Valve Position Switch (TFP Val. Position Sw.)

D/B

    • DTC P1810 will be stored in VCM history.
    • The VCM freezes shift adapts.
    • The VCM assumes D4 shift pattern.
    • The VCM commands maximum line pressure.
    • The VCM forces TCC apply when fourth gear is commanded.
    • The VCM illuminates the MIL for California emissions.

P1860

Torque Converter Clutch Pulse Width Modulation Solenoid Valve (TCC PWM Sol. Valve)

D/A

    • DTC P1860 will be stored in VCM history
    • The VCM inhibit s TCC engagement.
    • The VCM inhibits fourth gear engagement.
    • The VCM illuminates the MIL for California emissions.

P1870

Transmission Component Slipping

D/B

    • DTC P1870 will be stored in VCM history.
    • The VCM commands maximum line pressure.
    • The VCM inhibits TCC engagement.
    • The VCM inhibits fourth gear engagement.
    • The VCM freezes shift adapts.
    • The VCM illuminates the MIL for California emissions.

P1875

Four Wheel Drive Low Switch - Input Malfunction

D/B

    • DTC 1875 will be stored in the VCM history.
    • The VCM freezes shift adapts.
    • By measuring ISS and OSS and the commanded gear, the VCM will assume the correct state of the switch for 4WD Low or not. In order to measure the A/T ISS and OSS, the vehicle must be moving.
    • The VCM illuminates the MIL for California emissions.

DTC Types:

  • A - Emission related, will turn on the MIL after the first failure
  • B - Emission related, will turn on the MIL after two consecutive trips with a failure
  • C - Non-emission related, will turn on the service lamp after the first failure
  • D - Non-emission related, no lamps