TSB PIP4902T — Buick, Cadillac, Chevrolet, GMC and Pontiac Service bulletin
PIP4902T is a service bulletin on file with NHTSA for 35 Buick, Cadillac, Chevrolet, GMC and Pontiac models, 2011–2022 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIP4902T names
Every document filed under PIP4902T
| Document ID | Filed | Type |
|---|---|---|
| PIP4902T | August 14, 2025 | Service bulletin |
Questions buyers ask
What is TSB PIP4902T?
PIP4902T is a service bulletin filed with NHTSA by Buick, Cadillac, Chevrolet, GMC and Pontiac, covering 35 Buick, Cadillac, Chevrolet, GMC and Pontiac models across the 2011–2022 model years. NHTSA's summary reads: This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
Which vehicles does PIP4902T cover?
NHTSA's file names Buick Enclave (2011–2022); Buick LaCrosse (2011–2019); Cadillac CTS (2011–2019); Cadillac Escalade (2011–2020); Cadillac SRX (2011–2016); Chevrolet Avalanche (2011–2013); Chevrolet Aveo (2011); Chevrolet Blazer (2019–2020); Chevrolet Bolt EV (2017–2022); Chevrolet Camaro (2011–2020), and 25 more vehicles listed on this page. A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB PIP4902T a recall, and is the repair free?
No. PIP4902T is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of PIP4902T?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under PIP4902T, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under PIP4902T. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.