P0121-04: Throttle/Pedal Position Sensor A Circuit Range/Performance - System Internal Failures: Action
WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
- Vehicle Conditions to enable DTC Logging Strategy
- During electric throttle adaption process at ignition ON engine OFF the amplifier is checked
- Check engine control module for additional DTCs and refer to relevant DTC index. Rectify these first
- Check and install a new engine control module, only when diagnosed as failed
- Using the manufacturer approved diagnostic system clear all stored DTCs using the `Diagnosis Menu' tab and retest