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Service bulletin 010604050

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id627810
Published by NHTSA2002-02-25
Manufacturer's number010604050
Manufacturer's date2001-11-01
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

INFORMATION REGARDING DECREASED ENGINE PERFORMANCE/POWER, FILTER MINDER INDICATOR ON, POSSIBLE MALFUNCTION INDICATOR LAMP ILLUMINATED AND DIAGNOSTIC TROUBLE CODE P0101/P0103 SET. *YH

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Ignition

Trouble codes named

P0101, P0103

Vehicles listed
CHEVROLET C SERIES2001
CHEVROLET K SERIES2001
GMC C SERIES2001
GMC K SERIES2001

Listing a model year does not mean every vehicle of it is concerned: the document says which.