P0121-04 Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance - System internal failures: Action
- Vehicle Conditions to enable DTC Logging Strategy
- During electric throttle adaption process at ignition ON engine OFF the amplifier is checked
- Check powertrain control module for additional DTCs and refer to relevant DTC index. Rectify these first
- Check and install a new powertrain control module, only when diagnosed as failed
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest