WenmarOpen by Wenmar Pro

Service bulletin PIT5849C

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 id10204459
Published by NHTSA2021-12-13
Manufacturer's numberPIT5849C
Manufacturer's date2021-11-29
NHTSA componentELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EXTERIOR LIGHTING:TAIL LIGHTS; EQUIPMENT

NHTSA's summary

This Preliminary information communicates an issue with the rear tail / parking lights staying on and do not time out after exiting the vehicle and passive locking the vehicle. This condition can lead to a dead battery. GM Engineering has released a fix and dealers are to reprogram the BCM per Customer Satisfaction Program N212344990.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Equipment and accessories, Lighting, Tail lights

Vehicles listed
CHEVROLET SILVERADO 25002022 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002022 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002022 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002022 (the catalog's model; the bulletin names a series or trim of it)

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

Other bulletins for the same vehicles and component
PIT5849D2021-12-13. Service bulletin. This Preliminary information communicates an issue with the rear tail / parking lights staying on and do not time out after exiting the vehicle and passive locking the vehicle. This condition can lead to a dead battery. GM Engineering has released a fix and dealers are to reprogram the BCM per Customer Satisfaction Program N212344990.