# Service bulletin PIT5759

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: 10178379
- Published by NHTSA: 2020\-08\-10
- Manufacturer's number: PIT5759
- Manufacturer's date: 2020\-07\-23
- NHTSA component: AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE; EQUIPMENT

## NHTSA's summary

This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting. Engineering is root causing the concern.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10178379-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10178379-9999.pdf)

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

## Components

Air bags, Equipment and accessories, Air bag control module

## Trouble codes named

B14DC

## Vehicles listed

- 2021 CHEVROLET TAHOE
- 2021 GMC YUKON

## Other bulletins for the same vehicles and component

- [PIT5885A](/bulletins/10211762.md), 2022-05-16, Service bulletin: AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE:SOFTWARE. This Preliminary information communicates an issue with an SIR MIL with DTC B14DC caused by the air bag connector contacting the foam in the drivers seat. Dealer to remove the foam that is contacting the air bag connector.
- [PIT5759A](/bulletins/10178391.md), 2020-08-10, Service bulletin: AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE; ELECTRICAL SYSTEM. This Preliminary information communicates an issue with the SIR MIL turning on and DTC B14DC setting. Engineering is root causing the concern.

JSON: [/v1/bulletins/10178379](/v1/bulletins/10178379)

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