TSB PIP5340A — Chevrolet Service bulletin

PIP5340A is a service bulletin on file with NHTSA for 3 Chevrolet models, 1998–1999 model years. 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 VEHICLE THAT AFTER A TRANSMISSION OR TORQUE CONVERTER REPLACEMENT THE VEHICLE MAY HAVE A HARSH 1-2 UPSHIFT AND THE CHECK ENGINE LIGHT OR SERVICE ENGINE SOON INDICATOR IS ILLUMINATED. IF YOU…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
3Vehicles named
2Model years

Vehicles and model years PIP5340A names

VehicleModel years
Chevrolet Blazer 1998, 1999
Chevrolet S10 1998, 1999
Chevrolet Silverado 1500 1998

Every document filed under PIP5340A

Document IDFiledType
PIP5340A February 17, 2016 Service bulletin

What PIP5340A covers

Transmission & drivetrain — the component vocabulary NHTSA files this communication under.

← All Chevrolet Blazer TSB years TSB lookup by model

Questions buyers ask

What is TSB PIP5340A?

PIP5340A is a service bulletin filed with NHTSA by Chevrolet, covering 3 Chevrolet models across the 1998–1999 model years. NHTSA's summary reads: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT AFTER A TRANSMISSION OR TORQUE CONVERTER REPLACEMENT THE VEHICLE MAY HAVE A HARSH 1-2 UPSHIFT AND THE CHECK ENGINE LIGHT OR SERVICE ENGINE SOON INDICATOR IS ILLUMINATED. IF YOU…

Which vehicles does PIP5340A cover?

NHTSA's file names Chevrolet Blazer (1998–1999); Chevrolet S10 (1998–1999); Chevrolet Silverado 1500 (1998). 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 PIP5340A a recall, and is the repair free?

No. PIP5340A 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 PIP5340A?

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 PIP5340A, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 PIP5340A. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.