Subject: | Information required before ordering a new OnStarĀ® VCIM for a DTC B1000 |
Models: | 2002 through 2008 OnStarĀ® equipped vehicles |
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Before ordering a VCIM for a DTC B1000, GMTAC has been requested to document specific information about the DTC. Dealer technicians will find most of this information using the TECH2.
GM TAC will need to verify the original customer concern that led to the discovery of the DTC B1000 with the technician. Some of the questions GM TAC may ask are "What happens when an OnStarĀ® key press is made?", "Does the system connect on a key press?", " Does OnStarĀ® have a current GPS location on a key press?",
On GM LAN vehicles the sub code must be recorded. example B1000 SYM00
On all vehicles technicians should select the following menu in the TECH2 and record the data from the VCIM:
Body/Vehicle Communications Interface Module/Special Functions/ B1000 Data
DPID 11 Byte1:
DPID 11 Byte2:
DPID 11 Byte3:
DPID 11 Byte4:
Dealers should also review service bulletin 03-08-46-004C and record all relevent module information to expedite the order process.
Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.