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NHTSA ID Number: 10206730
Manufacturer Communication Number: PIP5675G
Summary
This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.
7 Affected Products
Vehicles
MAKE | MODEL | YEAR |
BUICK | ENCORE GX | 2020 |
CADILLAC | CT4 | 2020 |
CADILLAC | CT5 | 2020 |
CADILLAC | XT4 | 2020 |
CADILLAC | XT5 | 2020 |
CHEVROLET | BLAZER | 2020 |
GMC | ACADIA | 2020 |
Condition
Some customers may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history.
Cause
This may be caused by a software anomaly, GM is currently looking into the issue.
Correction:
Note: For 2019 MY vehicles equipped with the 2.0L LSY refer to 19-NA-022 first, to verify the vehicle has the most current level of software
Note: For 2019 MY and 2020 MY Chevrolet Silverado or GMC Sierra vehicles equipped with the 2.7L L3B, refer to 20-NA-100. Note: For 2021 MY Encore GX & Chevrolet Trailblazer 1.3L L3T, refer to 20-K-010.
Note: For 2020 & 2021 MY Encore GX 2021 MY Chevrolet Trailblazer 1.2L LIH, refer to 20-K-009.
Check VIN history to determine if one or both of these codes have previously set in the ECM.
If the vehicle has set either code previously, replace the Coolant Flow Control Valve.
If the vehicle has not set either code previously, perform the latest SI diagnostic for the code.
If the SI diagnostic fails to isolate the root cause, do not replace the Coolant Flow Control Valve. Clear any codes and return the vehicle to the customer.
If either code is set current, and the SI diagnostic isolates the root cause to the Coolant Flow Control Valve, replace the valve and perform the scan tool control function: Engine Coolant Control Valve Mode.
The value should increase and decrease according to the command in the scan tool. Clear any codes and return the vehicle to the customer.
In the event that the customer returns with either DTC set a second time, replace the valve and perform the scan tool control function: Engine Coolant Control Valve Mode.
SEOCONTENT-START
Bulletin No.: PIP5675G Published date: 12/15/2021
Preliminary Information
PIP5675G MIL illuminated with DTC P1098 and/or P26BB
Models
Brand:
Model: Encore GX
2020
Model Years:
VIN:
from to
All All
1.3 L3T
All
Transmissions:
Cadillac Cadillac Cadillac Cadillac Chevrolet GMC
CT4 CT4-V CT5
XT4 XT5
Blazer Acadia
2020
2020
2020
2020
2020
2020
All All All All All All
All All All All All All
2.0 LSY and 2.7 L3B
2.0 LSY 2.0L LSY
2.0 LSY
2.0 LSY
2.0 LSY
All All All All All All
Involved Region or Country
Condition Cause
North America
Some customers may comment that the MIL light is illuminated. The technician may find P1098 and/or
P26BB set current or history.
This may be caused by a software anomaly, GM is currently looking into the issue.
Correction:
Note: For 2019 MY vehicles equipped with the 2.0L LSY refer to 19-NA-022 first, to verify the
vehicle has the most current level of software
Note: For 2019 MY and 2020 MY Chevrolet Silverado or GMC Sierra vehicles equipped with the 2.7L
L3B, refer to 20-NA-100. Note: For 2021 MY Encore GX & Chevrolet Trailblazer 1.3L L3T, refer to
20-K-010.
Note: For 2020 & 2021 MY Encore GX 2021 MY Chevrolet Trailblazer 1.2L LIH, refer to 20-K-009.
Check VIN history to determine if one or both of these codes have previously set in the ECM.
If the vehicle has set either code previously, replace the Coolant Flow Control Valve.
If the vehicle has not set either code previously, perform the latest SI diagnostic for the code.
If the SI diagnostic fails to isolate the root cause, do not replace the Coolant Flow Control
Valve. Clear any codes and return the vehicle to the customer.
If either code is set current, and the SI diagnostic isolates the root cause to the Coolant Flow
Control Valve, replace the valve and perform the scan tool control function: Engine Coolant Control
Valve Mode.
The value should increase and decrease according to the command in the scan tool. Clear any codes
and return the vehicle to the customer.
In the event that the customer returns with either DTC set a second time, replace the valve and
perform the scan tool control function: Engine Coolant Control Valve Mode.
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
Labor Time
4087438 Complete published diagnostics and clear
DTC’s 0.4 Hr.
*This is a unique Labor Operation for Bulletin use only.
Version History
Version 6
09/10/2019 – Created on.
01/17/2020 updated to include reference to 19-NA-022. 03/16/2020- Updated to include additional
vehicle model.
04/07/2020- Updated to include additional vehicle platforms equipped with 1.3 L3T engine.
05/20/2020 Updated to include unique labor operation.
Modified
06/24/2020 Updated to remove 2019 and 2020 MY Chevrolet Silverado and GMC Sierra vehicles and to
add note to refer to 20-NA-100.
10/14/2020 -Corrected engine displacement in red note section to 2.7L.
10/26/2020- Updated to include this note: : For 2021 MY Encore GX & Chevrolet Trailblazer 1.3L
L3T, refer to 20-K-010.Also remove 21 Trailblazer 1.3 L3T and 2019 XT4 from model list.
SEOCONTENT-END
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5675G
Published date: 12/15/2021
https://www.nhtsa.gov/recalls?nhtsaId=10206730
NHTSA ID Number: 10182571
Manufacturer Communication Number: PIP5675G
Summary
This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5675G
Published date: 10/27/2020
https://www.nhtsa.gov/recalls?nhtsaId=10182571
MC-10182571-9999.pdf 104.381KB
NHTSA ID Number: 10182554
Manufacturer Communication Number: PIP5675F
Summary
This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5675F
Published date: N/A
https://www.nhtsa.gov/recalls?nhtsaId=10182554
MC-10182554-9999.pdf 102.594KB
NHTSA ID Number: 10178346
Manufacturer Communication Number: PIP5675E
Summary
This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5675E
Published date: 06/25/2020
https://www.nhtsa.gov/recalls?nhtsaId=10178346
MC-10178346-9999.pdf 102.445KB
NHTSA ID Number: 10176324
Manufacturer Communication Number: PIP5675D
Summary
This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5675D
Published date: 05/20/2020
https://www.nhtsa.gov/recalls?nhtsaId=10176324
MC-10176324-9999.pdf 102.118KB
NHTSA ID Number: 10173703
Manufacturer Communication Number: PIP5675B
Summary
This Preliminary information communicates to the dealer that a customer may comment that the MIL light is illuminated. The technician may find P1098 and/or P26BB set current or history. That this may be caused by a software anomaly, and that GM is currently looking into the issue. It provides testing and related direction based on the results.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIP5675B
Published date: 03/16/2020
https://www.nhtsa.gov/recalls?nhtsaId=10173703
MC-10173703-9999.pdf 100.632KB
Reprogramming
GM Diagnostic/Programming (TIS2Web)
Approved J2534 Device with TIS2WEB can reprogram 1996 and later All GM Modules.
To obtain the latest electronic controller calibration information for your vehicle, go to https://tis2web.service.gm.com/tis2web and enter the vehicle's 17 character Vehicle Identification Number (VIN) and select 'Get CAL ID’.
You can then compare the latest part number with the actual number installed on the vehicle to determine if a reprogram is needed.
The Service Programming System (SPS) application is part of the TIS2Web system. To program an ECU, the SPS application must communicate with the vehicle control modules using the proper J2534 programming interface tool.
The following are the supported interface tools:
The Tech 2 supports model years 1996 and beyond. With the addition of the CAN Diagnostic Interface (CANdi) module, Tech 2 is fully backward compatible with current Tech 2 functionality and operates transparently when diagnosing non-CAN-equipped vehicles.
Servicing the next generation Global A vehicles will require the diagnostic software, GDS2, Global Diagnostic System 2 running on a local PC device while the MDI is connected to the vehicle. The GM MDI is the Global Diagnostic tool for future vehicles starting with Global A vehicles.
The GM MDI was introduced in the fall of 2007 for Pass-Thru programming and offers faster programming speed. It can be used to perform Pass-Thru programming on all vehicles built since 1996 and into the future. Click here to view a list of GDS supported vehicles.
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Last update on 2024-04-17 / Affiliate links / Images from Amazon Product Advertising API
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