NHTSA ID Number: 10143779
Manufacturer Communication Number: PIP5402D
TSB/Document Date: 2018-08-20
Summary
This Preliminary Information communication provides the technician with the diagnosis and repair steps for a vehicle with a check engine light on with Diagnostic Trouble Code P015B or a reduced engine power message with Diagnostic Trouble Code P1101. Technician should look for a missing or damaged O-ring seal in the charge air cooler coupler.
Bulletin No.: PIP5402D
Published date: 07/25/2018
Preliminary Information
PIP5402D Check Engine Light MIL P015B, P1101 and /or P0101
Reduce Engine Power
Product Investigation Review Required
Models
Brand:
Model:
Model Years:
VIN:
from
Engine:
to
Transmissions:
Regal
2013 - 2019
All
All
2.0L LTG/LHU
All
Envision
2017 - 2019
All
All
2.0 LTG
All
Verano
2013 - 2016
All
All
2.0 LHU
All
ATS
2013 - 2019
All
All
2.0 LTG
All
CT6
2016 - 2019
All
All
2.0 LTG
All
CTS
2014 - 2019
All
All
2.0 LTG
All
Camaro
2016 - 2019
All
All
2.0 LTG
All
Equinox
2018 - 2019
All
All
1.5 LYX and 2.0 LTG
All
Malibu
2013 - 2019
All
All
1.5 LFV and 2.0 LTG
All
Terrain
2018 - 2019
All
All
1.5 LYX and 2.0 LTG
All
Supersession Statement
This PI was superseded to update Model Years. Please discard PIP5402C.
The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.
Condition / Concern
A customer may have a concern of the check engine lamp being illuminated and/or reduced
engine power. When the technician scans the vehicle, diagnostic trouble codes P015B and/or
P1101 will be set current or in history.
Recommendations / Instructions
After following normal SI diagnostics, if a solution is not found, inspect for a missing/damaged O-ring seal in the
charge air cooler coupler.
This coupler is located on the passenger side of the charge air cooler where the air duct slips into it.
The arrows in the picture below are pointing to the O-ring seal being discussed.
Note: It might be helpful to use the EEST GE 41413-A and introduce smoke into the induction/charge air cooler
system to assist with isolating any further system leaks. Place a plastic disposable bag around the air lter during
testing. With the engine o introduce smoke through a suitable intake vacuum port, allow several minutes for the
smoke to move throughout the system, switching between nitrogen and smoke may help speed up the
process. Visually inspect all related induction system components for signs of smoke indicating a potential leak.
The picture below is from an ATS. Other models are similar.
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.
© 2018 General Motors
. All Rights Reserved.
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TSB/Document ID: PIP5402D
Replacement Service Bulletin Number:
MFR Communication Date: 2018-07-25
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING
MFR Component System:
MFR Component Subsystem:
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