TSB PIP5601B — Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn Service bulletin
PIP5601B is a service bulletin on file with NHTSA for 32 Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn models, 2000–2021 model years, filed and re-filed as 2 documents. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years PIP5601B names
Every document filed under PIP5601B
Manufacturers re-issue a bulletin as the repair changes, and file separate copies for technicians and for owners. All of them carry the same number.
| Document ID | Filed | Type |
|---|---|---|
| PIP5601B | July 18, 2025 | Service bulletin |
| PIP5601B | January 12, 2024 | Service bulletin |
Questions buyers ask
What is TSB PIP5601B?
PIP5601B is a service bulletin filed with NHTSA by Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn, covering 32 Buick, Cadillac, Chevrolet, GMC, Pontiac and Saturn models across the 2000–2021 model years. NHTSA's summary reads: This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis…
Which vehicles does PIP5601B cover?
NHTSA's file names Buick Enclave (2020); Cadillac CTS (2003–2004); Cadillac Escalade (2000, 2002, 2020); Cadillac SRX (2004); Chevrolet Avalanche (2002); Chevrolet Blazer (2000–2004); Chevrolet Bolt EV (2020); Chevrolet Camaro (2000–2002); Chevrolet Colorado (2004); Chevrolet Corvette (2000–2004), and 22 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 PIP5601B a recall, and is the repair free?
No. PIP5601B 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 PIP5601B?
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 PIP5601B, 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 PIP5601B. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.