DTC P06B6-21: Internal Control Module Knock Sensor Processor 1 Performance - Signal amplitude < minimum: Notes
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.
NOTE:
LH knock sensor
- The engine control module measured a signal voltage below a specified range but not necessarily a short circuit to ground, gain low
- Knock sensor mounting bolt is loose
- Knock sensor harness circuit, high resistance
- Knock sensor connector is disconnected, connector terminal is backed out, connector terminal corrosion
- Knock sensor failure