For 1990-2009 cars

#### 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.