# Service bulletin 21\-NA\-228

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: 10245348
- Published by NHTSA: 2023\-11\-20
- Manufacturer's number: 21\-NA\-228
- Manufacturer's date: 2023\-11\-01
- NHTSA component: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM; EQUIPMENT; ENGINE AND ENGINE COOLING

## NHTSA's summary

This bulletin provides a procedure to program the BCM to correct the customers concern of RKE idle Time\-out.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10245348-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10245348-9999.pdf)

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

## Components

Electrical system, Engine, Equipment and accessories, Body control module

## Vehicles listed

- 2019 to 2024 CHEVROLET SILVERADO 1500
- 2019 to 2024 CHEVROLET SILVERADO 2500
- 2019 to 2024 CHEVROLET SILVERADO 3500
- 2019 to 2024 GMC SIERRA 1500
- 2019 to 2024 GMC SIERRA 2500
- 2019 to 2024 GMC SIERRA 3500

## Other bulletins for the same vehicles and component

- [23\-NA\-152](/bulletins/10247543.md), 2023-12-20, Service bulletin: POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE:SOFTWARE; EQUIPMENT; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE \(ECU/ECM\):SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ENGINE AND ENGINE COOLING. This technical bulletin provides a procedure to update the ECM to correct a customer concern of a MIL, engine stall.
- [N232422180](/bulletins/10245054.md), 2023-11-07, Service bulletin: SUSPENSION; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. Service Update \- Certain vehicles, with a 3.0L diesel engine \(RPO:LZ0\) and off\-road suspension \(RPO:ZRX\), may incorrectly remain latched in sport mode across key cycles. Dealers are to reprogram the Body Control Module \(BCM\).
- [22\-NA\-078](/bulletins/10210439.md), 2022-04-22, Service bulletin: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of Turn Signals Inoperable, Erratic, and/or Stay Illuminated After Canceling.
- [070842006Q](/bulletins/10205739.md), 2022-01-03, Service bulletin: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. This service bulletin provides technicians with information on available BCM calibrations to restore bulb outage detection on vehicles produced by a second stage manufacturer \(Upfitter\), and/or turn signals flash fast after factory box removed.
- [PIT5789A](/bulletins/10187164.md), 2021-02-16, Service bulletin: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. This Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting. Engineering is working on releasing updated BCM cals to correct the concern.
- [PIT5789A](/bulletins/10185713.md), 2021-01-25, Service bulletin: ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. This Preliminary information communicates an issues with an SES MIL and DTC P2B87 setting. Engineering is working on releasing updated BCM cals to correct the concern.

JSON: [/v1/bulletins/10245348](/v1/bulletins/10245348)

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