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Home >> Jaguar >> 2020 >> XF Checkered Flag >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Starting System - V6 S/C 3.0L Petrol -- XF/(X260)) >> Starting System - V6 S/C 3.0L Petrol >> Description And Operation >> Starting System - V6 S/C 3.0L Petrol >> Operation >> Trailer Towing

Trailer Towing

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The auto stop/start system will automatically disable when trailer lights are detected by the BCM/GWM assembly, this information is then transmitted to the PCM. It is not possible for the system to detect when a trailer power plug is inserted in the vehicle towing connector, so it uses operation of the trailer lights as its indicator.

The trailer towing system inhibits auto stop/start operation as it is possible that trailer power requirements could interfere with the operation of the battery monitoring system. In particular, a trailer battery could reverse the feed current to the vehicle during an engine cranking event, this could possibly confuse the battery monitoring system into detecting an unrealistically small current at engine cranking.

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