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Diagnostic Trouble Code Identification Buick Built Before 6/17/96

Diagnostic Trouble Code (DTC) Identification, 4T60-E, 97 Hcar (Buick built before 6/17/96))

DTC

Description

DTC Type*

Default Action

P0218

Transmission Fluid Over temperature

D

DTC P0218 stores in PCM memory

P0502

Vehicle Speed Sensor (VSS) Circuit - Low Input

A

    • DTC P0502 stores in PCM memory
    • Default to 3rd gear
    • Inhibit TCC

P0503

Vehicle Speed Sensor (VSS) Circuit - Intermittant

A

    • DTC P0503 stores in PCM memory
    • Default to 3rd gear
    • Inhibit TCC

P0560

System Voltage Malfunction

D

    • DTC P0560 stores in PCM memory
    • Default to 3rd gear
    • Inhibit TCC

P0712

Automatic Transmission Fluid Temperature (TFT) Sensor Circuit - Low Input (High Temperature Indicated)

A

    • DTC P0712 stores in PCM memory
    • Transmission defaults to a temperature of 131°C (268°F)

P0713

Automatic Transmission Fluid Temperature Sensor - High Input (Low Temperature Indicated)

A

    • DTC P0713 stores in PCM memory
    • Transmission defaults to a temperature of 131°C (268°F)

P0719

TCC Brake Switch Circuit - Low Input

D

    • DTC P0719 stores in PCM memory
    • Disregard brake switch for TCC control if the following four conditions are true:
       - The TP angle was formerly greater than 12%.
       - The vehicle speed was formerly greater than 75 km/h (47 mph).
       - The TP angle is currently greater than 6%.
       - The vehicle speed is currently greater than 70 km/h (44 mph).

P0724

TCC Brake Switch Circuit - High Input

D

DTC P0724 stores in PCM memory

P0740

Torque Converter Clutch Solenoid Circuit - Electrical

A

    • DTC P0740 stores in PCM memory
    • Inhibit TCC
    • Inhibit 4th gear in Hot mode

P0742

Torque Converter Clutch (TCC) System Stuck ON

B

DTC P0742 stores in PCM memory

P0751

1-2 Shift Solenoid Valve - Performance

B

    • DTC P0751 stores in PCM memory
    • Inhibit 3-2 downshifts when the vehicle speed is more that 48 km/h (30 mph)

P0753

1-2 Shift Solenoid Valve - Electrical

A

    • DTC P0753 stores in PCM memory
    • Inhibit 3-2 downshifts when the vehicle speed is more that 51 km/h (32 mph)

P0756

2-3 Shift Solenoid Valve - Performance

A

    • DTC P0756 stores in PCM memory
    • Default to 3rd gear
    • Inhibit TCC

P0758

2-3 Shift Solenoid Valve - Electrical

A

    • DTC P0758 stores in PCM memory
    • Default to 3rd gear
    • Inhibit TCC

P1860

Torque Converter Clutch PWM Solenoid Circuit - Electrical

A

    • DTC P1860 stores in PCM memory
    • Inhibit TCC
    • Inhibit 4th gear in Hot mode

P1870

Transmission Component Slipping

A

    • DTC P1870 stores in PCM memory
    • Inhibit TCC
    • Inhibit 4th gear in Hot mode

*DTC Types:

  • A - Emission-related, turns the MIL ON after the first failure.
  • B - Emission-related, turns the MIL ON after two consecutive trips with failure.
  • D - Non-emission-related, no lamps.

Diagnostic Trouble Code Identification All Other Applications

Diagnostic Trouble Code (DTC) Identification, 4T60-E, 97 Hcar (All except Buick built before 6/17/96)

DTC

Description

DTC Type*

Default Action

P0218

Transmission Fluid Over temperature

D

DTC P0218 stores in PCM memory

P0502

Vehicle Speed Sensor (VSS) Circuit - Low Input

A

    • DTC P0502 stores in PCM memory
    • Default to 3rd gear
    • Inhibit TCC

P0503

Vehicle Speed Sensor (VSS) Circuit - Intermittant

A

    • DTC P0503 stores in PCM memory
    • Default to 3rd gear
    • Inhibit TCC

P0711

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

B

    • DTC P0711 stores in PCM memory
    • The PCM calculates a default transmission temperature.

P0712

Automatic Transmission Fluid Temperature (TFT) Sensor Circuit - Low Input (High Temperature Indicated)

D

    • DTC P0712 stores in PCM memory
    • The PCM calculates a default transmission temperature.

P0713

Automatic Transmission Fluid Temperature Sensor - High Input (Low Temperature Indicated)

D

    • DTC P0713 stores in PCM memory
    • Transmission defaults to a temperature of 131°C (267°F)

P0719

TCC Brake Switch Circuit - Low Input

D

    • DTC P0719 stores in PCM memory
    • Disregard brake switch for TCC control if the following four conditions are true:
       - The TP angle was formerly greater than 12%.
       - The vehicle speed was formerly greater than 75 km/h (47 mph).
       - The TP angle is currently greater than 6%.
       - The vehicle speed is currently greater than 70 km/h (44 mph).

P0724

TCC Brake Switch Circuit - High Input

D

DTC P0724 stores in PCM memory

P0740

Torque Converter Clutch Solenoid Circuit - Electrical

A

    • DTC P0740 stores in PCM memory
    • Inhibit TCC
    • Inhibit 4th gear in Hot mode

P0742

Torque Converter Clutch (TCC) System Stuck ON

B

DTC P0742 stores in PCM memory

P0751

1-2 Shift Solenoid Valve - Performance

A

    • DTC P0751 stores in PCM memory
    • Inhibit 3-2 downshifts when the vehicle speed is more that 48 km/h (30 mph)

P0753

1-2 Shift Solenoid Valve - Electrical

A

    • DTC P0753 stores in PCM memory
    • Inhibit 3-2 downshifts when the vehicle speed is more that 48 km/h (30 mph)

P0756

2-3 Shift Solenoid Valve - Performance

A

    • DTC P0756 stores in PCM memory
    • Default to 3rd gear
    • Inhibit TCC

P0758

2-3 Shift Solenoid Valve - Electrical

A

    • DTC P0758 stores in PCM memory
    • Default to 3rd gear
    • Inhibit TCC

P1860

Torque Converter Clutch PWM Solenoid Circuit - Electrical

A

    • DTC P1860 stores in PCM memory
    • Inhibit TCC
    • Inhibit 4th gear in Hot mode

P1870

Transmission Component Slipping

B

    • DTC P1870 stores in PCM memory
    • Inhibit TCC
    • Inhibit 4th gear in Hot mode

*DTC Types:

  • A - Emission-related, turns the MIL ON after the first failure.
  • B - Emission-related, turns the MIL ON after two consecutive trips with failure.
  • D - Non-emission-related, no lamps.