B1291

DTC B1291 Short to B+ in Light System Communication Bus Malfunction
DTC B1292 Short to GND in Light System Communication Bus Malfunction

DESCRIPTION

DTC Detection Condition:

DTC B1291 is detected when +B is short-circuited on the light system (steering column bus) communication bus, and DTC B1292 is detected when the body ground is short-circuited on the light system (steering column bus) communication bus. Detecting this condition will disable the light system communication bus (BEAN) and a DTC will be output.

Wiring Diagram:

INSPECTION PROCEDURE

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