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Service bulletin 221001

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 id628023
Published by NHTSA2002-03-01
Manufacturer's number221001
Manufacturer's date2001-10-22
NHTSA componentEXTERIOR LIGHTING

NHTSA's summary

SOME CUSTOMERS MAY COMMENT THAT THEY HAVE INTERMITTENT OPERATION OF THE REAR TAILLIGHTS, BACKUP LIGHTS AND/OR TRAILER HARNESS. *TT

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

Lighting

Vehicles listed
CHEVROLET SILVERADO2002
GMC SIERRA2002

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

Recalls for the same vehicles and component
01V2200002001-06-26. INTERIOR LIGHTING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
02-08-42-001J2024-01-19. Service bulletin. This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
01-08-42-001O2023-02-28. Service bulletin. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
010842001N2021-08-09. Service bulletin. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
010842001M2019-12-16. Service bulletin. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
010842001L2019-03-25. Service bulletin. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
01-08-42-001J2018-05-07. Service bulletin. This informational bulletin explains condensation in exterior lights and replacment guidelines for warranty replacement.
PIP4138Q2018-02-21. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
02-08-42-001I2017-08-31. Service bulletin. This informational bulletin provides an out line on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage and what should be considered warranty replacement and not
01-08-42-001K2017-08-31. Service bulletin. This informational bulletin provides information on exterior lamp condinsation and replacement guidelines
PIT3098E2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that have a lean to the left or right. Technician will need to measure fender wheel-opening heights, front and rear, to quantify vehicle lean. Fender wheel-opening heights are related to, but distinct from, trim height. The front wheel-opening height is known as P height, and the rear wheel-opening height is known as R height. Adjust and heights that are out of specification. After all adjustments are done, perform a front-end alignment and check headlight aim.