OnStar Description and Operation (UE1 with IOB/IO6)
This OnStar system consists of the following components:
Telematics communication interface control module
OnStar three button assembly
Micr
DTC B0997
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
appro
CAUTION: The tire should be dismounted from the wheel using the tire
changer
manufacturer's instructions. Use the following information to avoid
damage during the dismounting/mounting procedures.
NOTE: If vehicle's tires are replaced with those not having a TPC Spec
number,
the TPM system may give