Buick TSB #PIC4935F
2011 Buick LaCrosse
TSB Document:
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Summary
- This Preliminary Information communication provides information to help the dealership technicians perform a parasitic drain test for the OnStar module. When performing battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the OnStar system.
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