DTC P0121-04: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance - System internal failures: Action
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- 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