TSB PIE-0043 — Chevrolet and GMC Service bulletin

PIE-0043 is a service bulletin on file with NHTSA for 2 Chevrolet and GMC models, 1994–1998 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. CHEVROLET:GMC: ENGINEERING INFORMATION-FUEL TANK PRESSURE SENSOR, DTCS P0446, P0451 OR P0454 SET. GMC ENGINEERING IS ATTEMPTING TO DETERMINE THE ROOT CAUSE OF THE ABOVE CONCERN.

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

1Document filed
2Vehicles named
5Model years

Vehicles and model years PIE-0043 names

VehicleModel years
Chevrolet Silverado 1500 1994, 1995, 1996, 1997, 1998
GMC Sierra 1500 1994, 1995, 1996, 1997, 1998

Every document filed under PIE-0043

Document IDFiledType
PIE-0043 February 1, 2010 Service bulletin
← All Chevrolet Silverado 1500 TSB years TSB lookup by model

Questions buyers ask

What is TSB PIE-0043?

PIE-0043 is a service bulletin filed with NHTSA by Chevrolet and GMC, covering 2 Chevrolet and GMC models across the 1994–1998 model years. NHTSA's summary reads: CHEVROLET:GMC: ENGINEERING INFORMATION-FUEL TANK PRESSURE SENSOR, DTCS P0446, P0451 OR P0454 SET. GMC ENGINEERING IS ATTEMPTING TO DETERMINE THE ROOT CAUSE OF THE ABOVE CONCERN.

Which vehicles does PIE-0043 cover?

NHTSA's file names Chevrolet Silverado 1500 (1994–1998); GMC Sierra 1500 (1994–1998). 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 PIE-0043 a recall, and is the repair free?

No. PIE-0043 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 PIE-0043?

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 PIE-0043, 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 PIE-0043. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.