LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Land Rover
>>
2015
>>
Range Rover Autobiography LWB
>>
Repair and Diagnosis
>>
General Information
>>
DTC Index
>>
Diagnostic Trouble Code Index DTC: Rear Differential Control Module (RDCM) -- Range Rover/L405
>>
Diagnostic Trouble Code Index DTC: Rear Differential Control Module (RDCM)
>>
Description And Operation
>>
DTC P1628-62: Module Ignition Supply Input - Signal compare failure
>>
Action
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
DTC P1628-62: Module Ignition Supply Input - Signal compare failure: Action
Refer to the appropriate system wiring diagrams and check the ignition signal circuit for short circuit to power. Repair the wiring harness as necessary