File in Section:

Service Bulletin

Bulletin No.:
Date:

PIC5383A
October, 2012

PRELIMINARY INFORMATION
Subject:

TAC Parts Restriction - EBCM And BPMV

Models:

2011-2013 Chevrolet Volt

This PI was superseded to update model years and add Labor Op. Please discard PIC5383.

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

Condition/Concern
As part of our ongoing quality improvement process, effective November 1st, 2010 the Electronic Brake Control
Module (EBCM) and Brake Pressure Modulator Valve (BPMV) for the Chevrolet Volt are being placed on restriction
through the GM Goodwrench Technical Assistance Center (TAC).
Parts on restriction are:
2011-2013 Chevrolet Volt EBCM (GM Part number: 20918875)
2011-2013 Chevrolet Volt BPMV (GM Part number: 20864952)
Note: If the part is being ordered for a non-warrantable concern (i.e. collision, theft, fire... [mldr ]etc) proceed directly
to step 7 below (Valid VIN and proof of ownership required).

Recommendation/Instructions
1. Please have a certified Volt technician follow the procedures below prior to contacting TAC.
Important: Do NOT erase DTC's in any of the modules (Especially on intermittent concerns) and do NOT attempt to
reprogram software!
2. Please complete the following information below with as much information as possible and as accurately as
possible so that it can be e-mailed to TAC.
3. Check and record all diagnostic codes in all modules on the vehicle.
4. Be sure to record what module the DTC came from and any symptom codes associated with the DTCs (see
latest version of bulletin 10-07-30-002A for snapshot information).
5. Once the above information has been obtained, please review all P.I and TSB information and all available S.I.
diagnostics.
6. If diagnostics lead to a BPMV or an EBCM replacement, contact TAC @ 877-446-8227 (U.S.) or in Canada
1-800-263-7740 (English) or 1-800-263-7960 (French) to review case details. Please have as much stored DTC
and snapshot information as possible prior to contacting TAC.
7. After reviewing the diagnosis, if component replacement is needed, TAC will arrange for ordering of the new
component and request that it be shipped overnight.
Note: After reviewing the diagnosis, if component replacement is needed, GM Goodwrench TAC will arrange for
ordering of the part(s). When this occurs, record the last 9 digits of the TAC case # to be used by the parts
department (in conjunction with the part #) as the CONTROL NUMBER to track shipment of the part. It is not
necessary to call TAC for part tracking information.

Parts Information
Model year
Part Number
Description
Qty

2011-2013
20918875
Electronic Brake Control Module
1
2011-2013
20864952
Brake Pressure Modulator Valve
1

Warranty Information
For vehicles repaired under warranty use:

Labor Operation
Description
Labor Time
H2503
Electronic Brake Control Module Replacement
Use Published Labor Operation Time
H2503
Brake Pressure Modulator Valve Replacement
Use Published Labor Operation Time

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.