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2008 Hummer H2 6.2L Rear Diff Lock Actuator
Posted to GM PowerTrain on 8/4/2015 2 Replies

Car is like new. 6500 miles

Permanent "Service 4wd" message on cluster.

4wd engagement works but not rear diff lock actuator

Code C0388 on transfer case control module. (rear diff lock actuator circuit open or shorted to ground)

Code will not reset

Rear d...

2 Replies Received (View Replies)

  Related Documents & Media  2008 Hummer H2

 
Message Closed

car Vehicle Data

2008 Hummer H2

VIN 5GRGN228X8
Engine6.2 L / 8 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedRear Diff Lock Actuator
ConditionsInop.
Message Closed

car Vehicle Data

2008 Hummer H2

VIN 5GRGN228X8
Engine6.2 L / 8 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedRear Diff Lock Actuator
ConditionsInop.