(Hybrid) Part Restriction On EBCM And BPMV - keywords ABS brake control C0055 C0035 C0040 C0045 C0050 C0110 C0131 C0161 C0186 C0196 C0201 C0242 C0245 C0252 C0253 C0299 C0455 C0550 C0561 C0569 C0710

This PI was superseded to update models and model years. Please discard PIT4383E.

The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

As part of our ongoing quality improvement process, we are requesting your assistance. Starting on Feb 4th 2008, we will be putting the EBCM and BPMV for the 2-mode Hybrid Tahoe/Yukon on restriction through the PQC.

Parts on restriction are:

08 Chevy/GMC EBCM is 25909777

08 Chevy/GMC BPMV is 15879113

09 Chevy/GMC/Cadlillac EBCM 25948720

09 Chevy/GMC/Cadillac BPMV 25914986

If you need an EBCM or BPMV for a Hybrid vehicle, please have your technician fill out the attached template prior to contacting PQC at 1-866-654-7654.

PQC Restriction

Caller's Name/Position: _________________________________

__ Number of times in for the same condition

__ Number of days vehicle in dealership for same condition

__ Y / N - Is the vehicle modified/non-production accessories (List below)

Example: Suspension Modification, Trailer Brake, CB Radio, ECM Calibration, After Market Wheels or Tires, etc-

Was the vehicle brought in for a performance related problem (ex. Noise, Brake Pedal Feel, and Unwanted Braking)? Y/N

Was the vehicle primarily brought in for a Non-Brake related issue; and you found an ABS related DTC code? Y/N

Customer Complaint:

Is the problem constant or intermittent?

Was the customers concern duplicated? Y/N

(If not, issue needs to be duplicated before proceeding with replacement)

List all DTC(s) and specify if they are "Current" or "History Only"

Are the codes repeatable? Y/N

What PIs / TSBs were performed? (List all)

SI Document ID# Used

Document each step of the trouble chart. (Include all voltage measurements)

Were there any problems with the trouble tree and where it leads the Tech?

Calibration/Software ID# (Via Tech 2)

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.