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Diagnostic trouble code (DTC) index DTC
Description
Possible Source
Action
C1291 Forward Looking Radar (FLR) sensor temperature out of range
FLR sensor is too warm or too cold FLR sensor failure
Warm up or cool down the FLR sensor to above 40°C or below 70°C. CLEAR the DTC. TEST the system for normal operation. If the DTC is repeated, INSTALL a new FLR sensor.
C1292 FLR sensor blockage detection
FLR sensor is blocked
Remove any blockages (snow/leaves etc.) from the FLR sensor.
C1293 FLR sensor automatic alignment offset angle out of range
Sensor requires mechanical levelling FLR sensor is in service alignment mode
Check FLR sensor levelling. (This is done in a similar way to control module alignment in earlier systems). Complete service alignment. Refer to the Jaguar approved diagnostic system.
C1294 Active speed or vehicle speed out of range
Speed related fault with the engine control module ACC module failure
Carry out a full vehicle DTC check. Check the ECM, TCM, DSCM, or instrument cluster modules for stored codes. If no DTC's are indicated in the ECM, TCM, DSCM, or instrument cluster modules, INSTALL a new ACC module.
C1459 Forward alert switch circuit failure Forward alert switch failure Forward alert switch to ACC module circuit short Forward alert switch to ACC module circuit open
For forward alert switch circuit tests, GO to Pinpoint Test G240073p1.
C1748 Forward alert switch circuit short to GROUND
Forward alert switch failure Forward alert switch to ACC module circuit short
For forward alert switch circuit tests, GO to Pinpoint Test G240073p2.
B2373 Forward alert switch LED 1 circuit failure
Forward alert switch failure Forward alert switch LED to ACC module circuit short For forward alert switch LED tests, GO to Pinpoint Test G240073p3.
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