GM Service Manual Online
For 1990-2009 cars only

Diagnostic Trouble Code Identification for Chevrolet Chevy MD Steel Tilt (W Model) 1998

Diagnostic Trouble Code Identification Gas VCM

Diagnostic Trouble Code (DTC) Identification Diagnostic Types

DTC

Description

DTC Type

Default Action

P0218

Transmission Fluid Overtemperature

D

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

P0502

Vehicle Speed Sensor Circuit -- Low Input

D / B

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

P0503

Vehicle Speed Sensor Circuit -- Intermittent

D / B

    • The VCM illuminates the MIL for California emissions.
    • The VCM freezes shift adapts.
    • The VCM commands maximum line pressure
    • The VCM defaults a calculated OSS from the A/T ISS Sensor output.
    • DTC P0503 is stored in the VCM history.

P0560

System Voltage Malfunction

D

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

P0711

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

D

    • The VCM freezes shift adapts.
    • The VCM defaults the TFT to 140°C
        (284°F).
    • DTC P0711 is stored in the VCM history.

P0712

Transmission Fluid Temperature Sensor Circuit -- Low Input

D

    • The VCM freezes shift adapts
    • The VCM defaults TFT to 140°C (284°F) for shift scheduling (hot mode pattern)
    • DTC P0712 is stored in VCM history

P0713

Transmission Fluid Temperature Sensor Circuit -- High Input

D

    • The VCM freezes shift adapts.
    • The VCM defaults TFT to 140°C (284°F) for shift scheduling (hot mode pattern)
    • DTC P0713 is stored in VCM history.

P0716

Input Speed Sensor Circuit -- Intermittent

D / B

    • The VCM illuminates the MIL for California emissions.
    • The VCM freezes shift adapts.
    • The VCM commands maximum line pressure
    • DTC P0716 is stored in VCM history.

P0717

Input Speed Sensor Circuit -- Low Input

D / B

    • The VCM illuminates the MIL for California emissions.
    • The VCM freezes shift adapts.
    • The VCM commands maximum line pressure.
    • DTC P0717 is stored in VCM history.

P0719

Brake Switch Circuit -- Low Input

D

DTC P0719 is stored in VCM history.

P0724

Brake Switch Circuit -- High Input

D

DTC P0724 is stored in VCM history.

P0730

Incorrect Gear Ratio

D

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

P0741

Torque Converter Clutch System Stuck Off

D / B

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

P0742

Torque Converter Clutch System Stuck On

D / B

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

P0748

Pressure Control Circuit -- Electrical

D

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

P0751

1-2 Shift Solenoid Valve -- Performance

D / B

    • The VCM illuminates the MIL for California emissions.
    • The VCM commands maximum line pressure.
    • The VCM freezes shift adapts.
    • 3-2 downshifts above 25 MPH are inhibited.
    • DTC P0751 is stored in VCM history.

P0753

1-2 Shift Solenoid Valve Circuit -- Electrical

D/A

    • The VCM illuminates the MIL for California emissions.
    • The VCM freezes shift adapts.
    • 3-2 downshifts above 25 MPH are inhibited.
    • The VCM commands maximum line pressure.
    • DTC P0753 is stored in VCM history.

P0756

2-3 Shift Solenoid Valve -- Performance

D / A

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

P0758

2-3 Shift Solenoid Valve Circuit-- Electrical

D / A

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

P1810

Automatic Transmission Fluid Pressure Manual Valve Position Switch Circuit Malfunction

D / B

    • The VCM illuminates the MIL for California emissions.
    • 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.
    • DTC P1810 is stored in VCM history.

P1860

Torque Converter Clutch Pulse Width Modulation Solenoid Valve Circuit-Electrical

D / A

    • The VCM illuminates the MIL for California emissions.
    • The VCM inhibit s TCC engagement.
    • The VCM inhibits fourth gear engagement.
    • The VCM freezes shift adapts.
    • DTC P1860 is stored in VCM history

P1870

Transmission Component Slipping

D / B

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

P1875

Four-Wheel Drive Low Switch Circuit Electrical

D / B

    • The VCM illuminates the MIL for California emissions.
    • The VCM freezes shift adapts.
    • The VCM assumes a 4WD Lo state if the switch fails when open, or the VCM assumes a 4WD High state if the switch fails when closed, for a transmission shift pattern.
    • The VCM inhibits fourth gear engagement.
    • The VCM freezes shift adapts.
    • DTC P1875 is stored in VCM history.

DTC Types: