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Makes 🢒 Chevrolet 🢒 1998 🢒 Chevy MD Steel Tilt (W Model) 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E 🢒 Diagnostic Trouble Code Identification

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: