DTC B151F-31: Auxiliary Cooling Fan - No signal: Action

WARNING: This page is about a different car, the 2021 Land Rover Range Rover Sport, 2020 Land Rover Range Rover Sport, and 2019 Land Rover Range Rover Sport. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Only replace the image processing module (IPMA) if DTC C1001-49 is also set
This DTC is set if no feedback from the fan signal is received for more than 5 seconds

Refer to the appropriate service information and check the image processing module (IPMA) cooling fan circuit for open circuit, high resistance. Repair the wiring harness as necessary
Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest. If the fault persists, install a new image processing module (IPMA)