PIP5706A

Bulletin No.: PIP5706A
Published date: 03/2/2022
Preliminary Information
PIP5706A Rough Running, Reduce Engine Power, Service Engine
Soon (SES) light on, P0123 and P0222
Product Investigation Review Required
Models
Brand:
Model:
Model Years:
VIN:
from
to
Engine:
Transmissions:
Chevrolet
Silverado 2500/3500
2020 - 2021
All
All
6.6L L8T
All
GMC
Sierra 2500/3500
2020 - 2021
All
All
6.6L L8T
All
Involved Region or Country North America
Condition
A vehicle ma y come into the de aler with a rough idle and /or
reduced engine power . Upon in spection the technician ma y find
the SES lamp is illuminated and DTC ’s P0123 and P0222 ma y be
active or stored history . This condition ma y be more noticeable
in very cold climates. Note: This PI only applicable to failures
that have resulted from vehicles being exposed to extreme cold
(-10F / -23C or colder)
Cause
This condition ma y be caused b y an internal circuit board fault
within the throttle body .
Correction:
If you encounter a vehicle with the above concern, it will be necessary to replace the
throttle body and add a ground wire following the steps outlined below . Reference the
attached pictures showing ground wire location.
Repair Procedure:
1. Replace throttle body following the service procedure as outlined in service
information.
2. Using two 8mm ring terminals and one 8-inch piece of wire 14-gauge wire to mak
ground wire as shown below:
ea
3. Remove oil fill cap and beauty cover from rock er cover on left bank.
4. Attach one end of the ground wire to the lower right throttle body fastener with the
crimp side of the ring terminal facing towards the bolt head:
5. Attach the other end of the ground wire to the rock er cover fastener as shown in
picture below with the crimp side of the ring terminal facing towards the bolt head:
6. When procedure is complete the ground wire should look lik e the installed wire
below:
7. Ensure that ground wire is secure.
8. Road test vehicle to ensure repair procedure is complete and clear any DTC
’s.
Warranty Information
For vehicles repaired under the Powertrain coverage, use the following labor operation. Reference the Applicable
Warranties section of Investigate Vehicle History (IVH) for coverage information.
Labor Operation
Description
4021510
Throttle Body Assembly Replacement
*4087318
Install Ground Strap
*This is a unique Labor Operation for Bulletin use only.
Labor Time
Use Published Labor
Operation Time
0.3
Version History
Version
Modi ed
2
01/28/2020 - Created on.
02/10/2021 - Updated to include 2021 Model Year
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