LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Jaguar
>>
2014
>>
XF Base
>>
Repair and Diagnosis (Single Page)
>>
General Information
>>
DTC Index
>>
Diagnostic Trouble Code: Central Junction Box (CJB) -- XF/X250
>>
Diagnostic Trouble Code (DTC) Index DTC: Central Junction Box (CJB)
>>
Description And Operation
>>
DTC B1142-11: Ignition Status 1 - Circuit short to ground
>>
Possible Causes
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Possible Causes
Ignition supply 1 circuit to the speed control sensor - Circuit reference IGN_SUPPLY_1_FWD - Short circuit to ground
Speed control module fault