NHTSA ID Number: 10185709
Manufacturer Communication Number: PIT5776B
This Preliminary information communicates an issue with the power liftgate inoperative and engineering working on the issue.
4 Affected Products
Bulletin No.: PIT5776B
Published date: 12/2/2020
PIT5776B Power Liftgate Inoperative / No Communication With
K194 Rear Gate Module / DTC U0230
|Involved Region or Country||North America|
|Additional Options (RPO)||TC2 -Power Liftgate|
|Condition||Some customers may notice the power liftgate is inoperative. When scanning the vehicle for DTC's, the K194 Rear Gate Module will not communicate and DTC U0230 will be set in Serial Data Gateway Module.|
|Cause||This concern could be caused by an anomaly with the K194 Rear Gate Module.|
Engineering has released an updated calibration to correct this concern. Perform the following:
- Remove the power to the K194 Rear Gate Module by pulling fuse 51 in the X53A Rear Body Fuse Block for 1 minute.
- After 1 minute, reinstall the fuse and test the liftgate operation.
For vehicles repaired under the Bumper-to-Bumper coverage (Canada Base Warranty coverage), use the following labor operation. Reference the Applicable Warranties section of Investigate Vehicle History (IVH) for coverage information.
|Labor Operation||Description||Labor Time|
|*2086128|| Cycle Fuse, Check Gate Module Communication and|
SPS program the K194
|*This is a unique Labor Operation for Bulletin use only.|
|Modified||09/18/2020 - Created on|
10/29/2020- Updated to add the Escalade models.
12/02/2020 - Updated the correction and warranty sections.
1 Associated Document
Bulletin No.: PIT5776B
Published date: 12/2/2020
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.
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 2022-01-28 / Affiliate links / Images from Amazon Product Advertising API
Last update on 2022-01-28 / Affiliate links / Images from Amazon Product Advertising API