TSB 676537 — Chevrolet Service bulletin
676537 is a service bulletin on file with NHTSA for the Chevrolet Blazer, 1993–1994 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. INTERMITTENT HESTIATIONS, LOW POWER, AND ROUGH RUNNING ENGINE IN COLD TEMPERATURES (REPLACE PCM).
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years 676537 names
| Vehicle | Model years |
|---|---|
| Chevrolet Blazer | 1993, 1994 |
Every document filed under 676537
| Document ID | Filed | Type |
|---|---|---|
| 676537 | June 1, 1997 | Service bulletin |
What 676537 covers
Electrical — the component vocabulary NHTSA files this communication under.
Questions buyers ask
What is TSB 676537?
676537 is a service bulletin filed with NHTSA by Chevrolet, covering the Chevrolet Blazer across the 1993–1994 model years. NHTSA's summary reads: INTERMITTENT HESTIATIONS, LOW POWER, AND ROUGH RUNNING ENGINE IN COLD TEMPERATURES (REPLACE PCM).
Which vehicles does 676537 cover?
NHTSA's file names Chevrolet Blazer (1993–1994). 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 676537 a recall, and is the repair free?
No. 676537 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 676537?
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 676537, 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 676537. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.