LEMON Manuals
: Even more car manuals for everyone
Home
>>
Hummer
>>
2008
>>
H2 4D Utility Wagon
>>
Repair and Diagnosis
>>
Accessories & Equipment
>>
Interior/Illumination Lights
>>
Lighting
>>
Diagnostic Information and Procedures
>>
DTC B257A
>>
Action Taken When the DTC Sets
Action Taken When the DTC Sets
The BCM disregards the headlamp switch input and defaults to automatic headlamp function.