For 1990-2009 cars

#### Diagnostic Trouble Code (DTC) Identification

DTC | Description | DTC Type | Default Action
--- | --- | --- | ---
P0218 | Transmission Fluid Overtemperature | D | Disable shift adapts
P0502 | Vehicle Speed Sensor Circuit -- Low Input | B |

• | Maximum line pressure

• | Disable shift adapts

• | Calculate VSS from ISS and commanded gear

P0503 | Vehicle Speed Sensor Circuit -- Intermittent | B |

• | Maximum line pressure

• | Disable shift adapts

• | Calculate VSS from ISS and commanded gear

P0711 | Transmission Fluid Temperature Sensor Circuit -- Range/Performance | D |

• | Disable shift adapts

• | The PCM calculates a default TFT from the ECT and the IAT.

P0712 | Transmission Fluid Temperature Sensor Circuit -- Low Input | D |

• | Disable shift adapts

• | The PCM calculates a default TFT from the ECT and the IAT.

P0713 | Transmission Fluid Temperature Sensor Circuit -- High Input | D |

• | Disable shift adapts

• | The PCM calculates a default TFT from the ECT and the IAT.

P0716 | Input Speed Sensor Circuit -- Intermittent | B | Disable shift adapts
P0717 | Input Speed Sensor Circuit -- Low Input | B | Disable shift adapts
P0719 | Brake Switch Circuit -- Low Input | D | Disregard brake switch input for TCC operation
P0724 | Brake Switch Circuit -- High Input | D | None
P0730 | Incorrect Gear Ratio | D |

• | Maximum line pressure

• | Disable shift adapts

P0741 | Torque Converter Clutch System -- Stuck OFF | B |

• | Inhibit 4th gear in Hot Mode

• | Inhibit TCC

• | Disable shift adapts

P0742 | Torque Converter Clutch System -- Stuck ON | A |

• | TCC commanded ON at maximum capacity

• | Disable shift adapts

P0748 | Pressure Control Solenoid Circuit -- Electrical | D |

• | Maximum line pressure

• | Disable shift adapts

P0751 | 1-2 Shift Solenoid Valve -- Performance | B |

• | Maximum line pressure

• | Inhibit 3-2 downshifts when the vehicle speed is greater than 48 km/h (30 mph)

• | Disable shift adapts

P0753 | 1-2 Shift Solenoid Circuit -- Electrical | A |

• | Maximum line pressure

• | Inhibit 3-2 downshifts when the vehicle speed is greater than 48 km/h (30 mph)

• | Disable shift adapts

P0756 | 2-3 Shift Solenoid Valve -- Performance | A |

• | Default to 3rd gear

• | Inhibit TCC

• | Maximum line pressure

• | Disable shift adapts

P0758 | 2-3 Shift Solenoid Circuit -- Electrical | A |

• | Default to 3rd gear

• | Inhibit TCC

• | Maximum line pressure

• | Disable shift adapts

P1810 | Transmission Fluid Pressure Manual Valve Position Switch Assembly Circuit Malfunction | B |

• | Maximum line pressure

• | The PCM assumes D4 for shifting

• | Disable shift adapts

P1811 | Maximum Adapt and Long Shift | D |

• | Maximum line pressure

• | Disable shift adapts

P1860 | Torque Converter Clutch Pulse Width Modulation Solenoid Circuit -- Electrical | A |

• | Inhibit TCC

• | Inhibit 4th gear in Hot Mode

• | Disable shift adapts

P1887 | Torque Converter Clutch Release Switch Circuit Malfunction | B |

• | Inhibit TCC

• | Inhibit 4th gear in Hot Mode

• | Disable shift adapts

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.