DTC B1D9F-13: Engine Speed Input - Circuit Open: Action
- Refer to the appropriate system wiring diagrams and check the audio head unit module crank signal input circuit for open circuit, repair harness as required.
- Using the Jaguar Landrover approved diagnostic equipment, clear the DTCs and retest Using the Jaguar Landrover approved diagnostic equipment, check the power mode sent to the audio head unit module from the infotainment master controller. If the audio head unit module power mode is incorrect check the communication between the infotainment master controller and the audio head unit module
- Using the Jaguar Landrover approved diagnostic equipment, clear the DTCs and retest. If the fault persists, install a new audio head unit module