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Service bulletin PI0838

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10118646
Published by NHTSA2017-10-12
Manufacturer's numberPI0838
Manufacturer's date2012-10-17
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

This preliminary informational bulletin provides a procedure to reprogram the transmission control module for conditions of shift flare, or harsh reverse shift to drive.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Transmission and driveline, Automatic transmission, Software, Transmission control module

Vehicles listed
CADILLAC XTS2013

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PIP51462024-04-22. Service bulletin. Chatter Or Bind Feel On Turns.
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13120C2023-12-11. Service bulletin. Service Update for Inventory Vehicles Only Torque Converter Clutch Sticking Expires May 31, 2015
13120A2023-12-11. Service bulletin. Service Update for Inventory Vehicles Only Torque Converter Clutch Sticking Expires April 30, 2014
131202023-12-11. Service bulletin. Service Update for Inventory Vehicles Only Torque Converter Clutch Sticking Expires April 30, 2014
130089004H2023-12-11. Service bulletin. Car and Truck Fix it Right the First Time Issues
1300890032023-12-11. Service bulletin. Vehicle Software Enhancements
122442023-12-04. Service bulletin. Shift Flare, Harsh Reverse to Drive Shift, Delayed 5-3 Downshift
17-NA-0662023-07-25. Service bulletin. This service bulletin provides information for automatic transmission Oil Cooler Flush and flow test.
PIP5632G2023-01-30. Service bulletin. This Preliminary Information communication provides information to the technician that General Motors Technical Assistance Center may ask for Global Diagnostic System 2 Session Log. Technician will need use Global Diagnostic System 2 to send the session logs to General Motors Technical Assistance Center for further assistance on the vehicle in question.