WenmarOpen by Wenmar Pro

Service bulletin PIT5946C

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 id10232786
Published by NHTSA2023-03-13
Manufacturer's numberPIT5946C
Manufacturer's date2023-02-02
NHTSA componentELECTRICAL SYSTEM; STRUCTURE

NHTSA's summary

This Preliminary information communicates a diagnostic tip on how to resolve a issue with the Body Control Module setting DTC: P0606 and turning on a Check Engine Lamp.

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

Body and frame, Electrical system

Trouble codes named

P0606

Vehicles listed
CADILLAC ESCALADE ESV2021, 2022, 2023
CHEVROLET SILVERADO 15002022, 2023 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2021, 2022, 2023
CHEVROLET TAHOE2021, 2022, 2023
GMC SIERRA 15002022, 2023 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2021, 2022, 2023

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

Recalls for the same vehicles and component
20253502025-06-25. Structure
20250522025-02-06. Structure
25V0600002025-02-06. STRUCTURE:BODY:BUMPERS:ACTIVE SHUTTERS/GRILL
20240612024-02-01. Structure
21V4210002021-06-10. AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; ELECTRICAL SYSTEM:SOFTWARE

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
N2525155902026-01-27. Service campaign. Certain vehicles listed above, may have a condition in which the body-to-chassis ground strap may be corroded. Dealers will replace the ground strap.
23-NA-1702025-10-25. Service bulletin. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
23-NA-2012025-10-21. Service bulletin. This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated.
22-NA-1612025-09-27. Service bulletin. This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
PIE0806B2025-09-10. Service bulletin. This engineering information (EI Lite) ends the need for using the FPR Process in regards to rocker moldings experiencing poor fit, loose parts, broken clips and/or warpage resulting in a warranty replacement and to refer to SI for further diagnosis.
25-NA-1152025-09-06. Service bulletin. This service bulletin provides information on the Headrest Audio Speaker distortion and the correction for this condition including wire to wire repair.
25-NA-1142025-09-06. Service bulletin. This informational bulletin provides information on Anti-Chip Coating Appearance.
24-NA-0782025-07-08. Service bulletin. This bulletin advises the tech to replace the starter and not the trans if grinding or growling is heard from the transmission area.
25-NA-1012025-06-26. Service bulletin. This service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module.
25-NA-0992025-06-25. Service bulletin. This bulletin advises the tech to refer to a procedure in SI to aid in diagnosing a possible wiring concern.