DTC P06B6-21: Internal Control Module Knock Sensor Processor 1 Performance - Signal amplitude < minimum: 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.
- Check knock sensor mounting bolt is tightened to the correct torque
- Refer to applicable SYSTEM WIRING DIAGRAM(S) and check the knock
- Inspect connectors for signs of water ingress, and pins for damage and/or corrosion
- Check and install a new knock sensor as required