TAC Parts Restriction Program for ESC Parts (Unique parts for both programs located at the Electronic Service Centers) – 2022 GMC HUMMER EV & BrightDrop EV600

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Bulletin No.: PIT5859
Published date: 12/17/2021
Preliminary Information
PIT5859 2022 GMC HUMMER and BrightDrop TAC Parts Restriction Program for ESC Parts (Unique parts
for both programs located at the Electronic Service Centers)
Models

GMC

Brand:

Model: HUMMER EV

2022

Model Years:

VIN:
from to All All

All

Engine:

All

Transmissions:

BrightDrop Involved
Region or North America Country

EV600

2022

All

All

All

All

As part of our ongoing quality improvement process, all GMC HUMMER EV unique parts and BrightDrop
parts that are common with HUMMER Condition EV that are located at the Electronic Service Centers
will remain on restriction through the GM Technical Assistance. A valid TAC Case Number
with Part Approved Activity will be needed prior to requesting the part.

Cause

This will Help GM Engineering to review any issues that come up live as the issue is happening
Correction:
If diagnostics lead to the replacement of any of the GMC HUMMER and Bright Drop Specific parts,
please contact TAC at Telephone Number US 1-877-446- 8227 (Action Center prompt or Hybrid prompt)
or Canada 1-800-263- 7740 for English or 1-800-263-7960 for French.
TAC will be verifying all Part numbers due to supersessions so no part numbers will be listed at
this time. Below is the current list of parts that will be located at the Electronic Service
Centers:
Radio
OnStar Module CLUSTER ASM-INST
CONTROL ASM-AM/FM STEREO RDO
Please contact TAC if any parts are ordered.
Include the part# and Part Name.
Any SI Document that lead to Replacement Including all Readings
Pictures of any physical Damage
If DTCs are present and procedure gives direction to remove any components; stop, capture GDS2
Session Log stored data, and test drive vehicle with GDS and MDI, and capture a snap shot of the
Module data when condition occurs. See Latest version of PIP4902 for correct session logs data
collection and procedure for emailing. TAC will request that you e-mail the Session Logs or
pictures to them. Do not clear codes prior to capturing data and calling TAC.
U.S. dealers: PIP5632E can also be used to attach the session logs or pictures to the TAC case
through the DCM portal.
Version History
Version 1
Modified 12/17/2021 – Created on.

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