Question about 2006 Saturn L300
Will my car start with a good ECM and a bad BCM? Changed motors and replaced all electrical parts to original harness in my car. Will start and run.....idles funny but run. There's no communication at the port under steering wheel. Took to GM where they supposably did a bunch of testing that we already did....stated we needed a BCM which I thought was false but got one to prove it and the new one won't start the car and now they have it to the point it won't start at all. Is my BCM bad?
Posted on Oct 27, 2016
It's a "BCM" issue. Body control module. think of a "BCM" as a computer for the interior electrical aspects of the car. If you have the proper scan tool (Tech II) and the skill scan the "BCM" for error codes. Post the codes and I'll tell you how to fix it. If you don't have a scan tool or the skill take the car to a dealer or qualified mechanic.
Posted on Dec 30, 2008
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