Bulletin No.: PIP5849A
Published date: 05/31/2022

Preliminary Information
PIP5849A LUV/LUJ Intermittent P0299 Codes
Models
Brand:

Model:

VIN:

Model Years:

from

Engine:

to

Transmissions:

Buick

Encore

2013 - 2022

All

All

1.4L LUV

All

Chevrolet

Cruze

2011 - 2016

All

All

1.4L LUV

All

Chevrolet

Cruze

2011 - 2016

All

All

1.4L LUJ

All

Chevrolet

Sonic

2012 - 2020

All

All

1.4L LUV

All

Chevrolet

Trax

2013 - 2022

All

All

1.4L LUV

All

Involved Region or Country North America
Some customers may comment that when driving their vehicle may experience one or several of the
following conditions:

Condition

Loss of power.
Smoke out the tail pipe.
Hesitation on acceleration.
Stalling condition.
Burning oil odor possibly caused by oil leak.
May also notice a Malfunction Indicator Lamp illuminated.
After driving for a period, the drivability issues seem to diminish.
Malfunction Indicator Lamp (MIL) Illuminated.
This condition may also cause an increase in crankcase pressure, creating oil leaks at seals and gaskets.
The technician may nd one or more of the following DTCs set:
P0299
P00C7
P0234
P2227
P2261

Cause

This condition may be caused by contamination (Water/oil/Sludge) at Charge Air Bypass Valve

Correction:
If contamination (water /oil/sludge) at Charge Air Bypass Valve found, then clean the Charge Air Bypass Valve
• Clean the Charge Air Bypass Valve
• Replace the Intake manifold
• Replace Charge Air Bypass Valve only if necessary

Turbocharger and Intake Manifold and Cylinder Head Inspection

1. Inspect the Charge Air Bypass Valve for oil/water/sludge build-up in the vacuum side port.

• If oil/water build up in the valve port, disassemble and clean the components. Refer to SI document titled "Charge Air Bypass Valve
Replacement".
• Only if necessary, replace the components.
Desired boost pressure vs actual boost pressure not within limits and no trouble found on waste gate actuator or No excessive play/no
damage from turbocharger - Then Do Not replace turbocharge, Clean Charge Air Bypass Valve and replace Intake manifold.
2. Remove the intake manifold. Refer to SI document titled "Intake Manifold Removal".

3. Inspect the vacuum ports of the intake manifold for ice/water/oil accumulation.
4. Inspect the PCV intake runner for ice build-up, or sludge blocking the cylinder head as shown above.
5. Clean any ice/sludge/water/carbon out of the cylinder head, cam cover and PCV pipes.
If above condition exists then, replace the Intake manifold. Refer to SI document titled "Intake Manifold Replacement".

Parts Information
Description

Part Number
MANIFOLD, INTAKE
VLV, CHRG AIR BYPASS

QTY
28289977
55590593

1
1

Warranty Information
Note: Only select the Labor Operation that corresponds with the repair performed.
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
4088558*

DESCRIPTION
INSPECTION AND CLEANING
INTAKE MANIFOLD INSPECTION, CLEANING REPLACEMENT

ENCORE

1.0 HR.

ADD

INTAKE MANIFOLD INSPECTION, CLEANING REPLACEMENT

CRUZE

1.4 HR.

ADD

INTAKE MANIFOLD INSPECTION, CLEANING REPLACEMENT

SONIC

1.5 HR.

ADD

INTAKE MANIFOLD INSPECTION, CLEANING REPLACEMENT

TRAX

1.0 HR.

ALL

1.3 HR.

CHARGE AIR BYPASS VALVE CLEANING OR REPLACEMENT
*This is a unique Labor Operation for bulletin use only.

Version History
Modi ed

TIME
0.3 HR.

ADD

ADD

Version

VEHICLE
ALL

2
04/20/2022 - Created.
05/27/2022 - Updated to add to correction.

© 2022 General Motors. All Rights Reserved.