Possible Causes
WARNING: This page is about a different car, the 2018 Jaguar XF and 2017 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
- Purpose of the DTC
- To monitor DEF back flow pump for short circuit to power
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Control Module Signal Name
- Circuit reference RAPP
- Monitor Description
- Diesel exhaust fluid tank module - DEF back flow pump circuit short circuit to power
- Prioritised List of Possible Causes
- The powertrain control module has detected a vehicle power measurement for a period longer than expected or has detected a vehicle power measurement when another value was expected
- Diesel exhaust fluid tank module circuit short circuit to power - DEF back flow pump
- Connector is disconnected, connector pin is backed out, connector pin corrosion