PIE0503

Bulletin No.:
Service Bulletin
Date:
PIE0503
February, 2019
ENGINEERING INFORMATION
Subject:
Engineering Information – Reduced Engine Power, DTC P0299 Set
Attention: Proceed with this EI ONLY if the customer has commented about this concern AND the
PIE number is listed in the Global Warranty Management / Investigate History link
(GWM/IVH). If the customer has not commented about this condition or the EI does not
show in GWM/IVH, disregard the PI and proceed with diagnostics found in published
service information. THIS IS NOT A RECALL — refer to the latest version of Service
Bulletin 04-00-89-053 for more details on the use of Engineering Information bulletins.
Brand:
Buick
Cadillac
Engine:
Transmission:
2015
Equipped
with 1.4L
Engine
(RPO LUV)
Equipped with
TRANSMISSIONAUTO 6 SPD,
TRANSMISSIONMAN 6 SPD
(RPOs MNK, MR5)
2019
Equipped
with 2.0L
Engine
(RPO LSY)
Equipped with
TRANSMISSIONAUTO 9 SPD
(RPO M3H)
2015
Equipped
with 1.4L
Engine
(RPO LUV)
TRANSMISSIONAUTO 6 SPD,
TRANSMISSIONMAN 6 SPD
(RPOs MNK, MR5)
2018
Equipped
with 1.5L,
2.0L Engines
(RPOs
LYX, LTG)
Equipped with
TRANSMISSIONAUTO 9 SPD
(RPOs M3H, M3D)
2019
Equipped
with 2.7L
Engine
(RPO L3B)
Equipped with
TRANSMISSIONAUTO 8 SPD
(RPO MQE)
Terrain
2018
Equipped
with 1.5L,
2.0L Engines
(RPOs
LYX, LTG)
Equipped with
TRANSMISSIONAUTO 9 SPD
(RPOs M3H, M3D)
Sierra 1500
(New Model)
2019
Equipped
with 2.7L
Engine
(RPO L3B)
Equipped with
TRANSMISSIONAUTO 8 SPD
(RPO MQE)
Model:
Encore
XT4
Model Year:
from
VIN:
to
Sonic
Trax
Chevrolet
2019
Equinox
Silverado
1500 (New
Model)
GMC
from
to
Involved Region or Country
North America
Important: If the customer did not bring their vehicle in for this concern, DO NOT
proceed with this EI.
Some customers may comment on reduced engine power.
Note: While operating for extended periods in very cold weather, the vehicle may
experience ice growth blocking the inside of the charge air cooler.
Condition
A technician may find DTC P0299 set or stored in history.
GM Engineering is attempting to determine the root cause of the above condition.
Engineering has a need to gather information on vehicles PRIOR to repair that may
exhibit this condition. As a result, this information will be used to "root cause" the
customer's concern and develop/validate a field fix.
Cause
Correction
If you encounter a vehicle with the above concern, perform the following steps and contact the engineers listed
below with your findings.
Note: Prior to calling, ensure the vehicle has gone through the following bulletins (if applicable), and is up to date:
•
•
•
1.
2.
3.
4.
5.
Equinox, Terrain: 18-NA-020
Malibu: 18-NA-069
Trax and Encore - LUV engine: 16-NA-405; LE2 engine: 17-NA-221; Special Coverage# 17157
Ambient temperature, precipitation conditions, and vehicle speeds preceding and during the P0299 / reduced
engine power event
Airbox filter element condition, photograph of any moisture present in box
Charge air cooler moisture content - thaw, drain, measure
Boost (TIAP) sensor contamination - remove, photograph (before thawing if possible), clean before reassembly
Driving conditions prior to the incidents:
– Brief daily driving description (distance, normal speed, highway / local, overnight parking indoor/outdoor)
Contact Information
Engineer Name
Phone Number
Rolf Karlsson
(248) 228-0285
Bin Li
(248) 309-1419
Please include the following information if leaving a message:
– Technician name
– Dealer name and phone number
– Complete VIN and repair order (R.O) number
On the repair order, document the date and time the call was placed (even if the engineer was not reached).
If engineering is unable to return the call within one hour, proceed with diagnosis and repair based on information
found in SI.
Warranty Information
If engineer was contacted or required information was provided, use:
Labor Operation
Description
Labor Time
4481998*
Engineering Information – Reduced Engine Power, DTC
P0299 Set
0.5 hr
*This is a unique Labor Operation for Bulletin use only.