# 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.

- Type: Service bulletin
- NHTSA id: 10232786
- Published by NHTSA: 2023\-03\-13
- Manufacturer's number: PIT5946C
- Manufacturer's date: 2023\-02\-02
- NHTSA component: ELECTRICAL 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232786-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10232786-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Body and frame, Electrical system

## Trouble codes named

P0606

## Vehicles listed

- 2021 to 2023 CADILLAC ESCALADE ESV
- 2022 to 2023 CHEVROLET SILVERADO 1500
- 2021 to 2023 CHEVROLET SUBURBAN
- 2021 to 2023 CHEVROLET TAHOE
- 2022 to 2023 GMC SIERRA 1500
- 2021 to 2023 GMC YUKON XL

## Recalls for the same vehicles and component

- [2025350](/recalls/tc/2025350.md), 2025-06-25: Structure
- [2025052](/recalls/tc/2025052.md), 2025-02-06: Structure
- [25V060000](/recalls/nhtsa/25V060000.md), 2025-02-06: STRUCTURE:BODY:BUMPERS:ACTIVE SHUTTERS/GRILL
- [2024061](/recalls/tc/2024061.md), 2024-02-01: Structure
- [21V421000](/recalls/nhtsa/21V421000.md), 2021-06-10: AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; ELECTRICAL SYSTEM:SOFTWARE

## Other bulletins for the same vehicles and component

- [N252515590](/bulletins/11027795.md), 2026-01-27, Service campaign: ELECTRICAL SYSTEM. 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\-170](/bulletins/11024486.md), 2025-10-25, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
- [23\-NA\-201](/bulletins/11024378.md), 2025-10-21, Service bulletin: SERVICE BRAKES; ELECTRICAL SYSTEM; STEERING. 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\-161](/bulletins/11023368.md), 2025-09-27, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY/WIPER. This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
- [PIE0806B](/bulletins/11023052.md), 2025-09-10, Service bulletin: STRUCTURE:BODY. 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\-115](/bulletins/11022871.md), 2025-09-06, Service bulletin: SEATS; ELECTRICAL SYSTEM. This service bulletin provides information on the Headrest Audio Speaker distortion and the correction for this condition including wire to wire repair.
- [25\-NA\-114](/bulletins/11022868.md), 2025-09-06, Service bulletin: STRUCTURE:BODY. This informational bulletin provides information on Anti\-Chip Coating Appearance.
- [24\-NA\-078](/bulletins/11020268.md), 2025-07-08, Service bulletin: ENGINE; POWER TRAIN; ELECTRICAL SYSTEM. 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\-101](/bulletins/11019755.md), 2025-06-26, Service bulletin: AIR BAGS; ELECTRICAL SYSTEM; SEATS. 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\-099](/bulletins/11019719.md), 2025-06-25, Service bulletin: ELECTRICAL SYSTEM. This bulletin advises the tech to refer to a procedure in SI to aid in diagnosing a possible wiring concern.

JSON: [/v1/bulletins/10232786](/v1/bulletins/10232786)

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