TSB PIP5628F — Chevrolet and Pontiac Service bulletin

PIP5628F is a service bulletin on file with NHTSA for 3 Chevrolet and Pontiac models, 2000–2001 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D

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

1Document filed
3Vehicles named
2Model years

Vehicles and model years PIP5628F names

VehicleModel years
Chevrolet Silverado 2500 2000
Pontiac Grand Am 2000, 2001
Pontiac Grand Prix 2000, 2001

Every document filed under PIP5628F

Document IDFiledType
PIP5628F April 24, 2023 Service bulletin

What PIP5628F covers

Engine — the component vocabulary NHTSA files this communication under.

← All Chevrolet Silverado 2500 TSB years TSB lookup by model

Questions buyers ask

What is TSB PIP5628F?

PIP5628F is a service bulletin filed with NHTSA by Chevrolet and Pontiac, covering 3 Chevrolet and Pontiac models across the 2000–2001 model years. NHTSA's summary reads: This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D

Which vehicles does PIP5628F cover?

NHTSA's file names Chevrolet Silverado 2500 (2000); Pontiac Grand Am (2000–2001); Pontiac Grand Prix (2000–2001). 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 PIP5628F a recall, and is the repair free?

No. PIP5628F 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 PIP5628F?

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 PIP5628F, 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 PIP5628F. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.