DTC P2478-85: Exhaust Gas Temperature Out of Range (Bank 1 Sensor 1) - Signal above allowable range: Action
- Diagnosis of this DTC may require using the manufacturer approved diagnostic system check datalogger signals
- 0x03BF Exhaust Gas Temperature Bank 1 Sensor 1 Voltage - Volts
- 0x034F Exhaust Gas Temperature Bank 1 Sensor 1 - °C
- 0x05C9 Exhaust Turbine A Inlet Temperature Sensor Voltage - Volts
- 0x05CA Exhaust Turbine A Inlet Temperature - °C
- Refer to the appropriate System Wiring Diagram(s) and check the exhaust gas temperature sensor pre turbine circuit for short circuit to power
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Check air induction system for leakage
- Check diesel oxidation catalyst system for mechanical integrity
- Check and install a new exhaust gas temperature sensor pre turbine as required
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest