Question about 2002 Chevrolet TrailBlazer
If infact the dr. door switch assembly is the problem, then the switch will need to be programmed- not the body controller. The switch assembly is also refered to as the Driver Door Module (DDM). Anew or used module will not function properly until it is programmed to your vehicle. This is a dealer service that will cost approx. 1/2 hour labor.
Posted on Nov 04, 2008
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Posted on Jan 02, 2017
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The ignition switch is in the ON position.
The data link connector (DLC) is accessible.
All disconnected modules and devices are connected.
Programming the BCM
Important: The vehicle will not start and many other functions may not operate properly if a replacement BCM is not properly set up. The following procedures must be followed:
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