# Service bulletin PIT4376J

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: 10137171
- Published by NHTSA: 2018\-05\-21
- Manufacturer's number: PIT4376J
- Manufacturer's date: 2018\-03\-05
- NHTSA component: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:CONTROL MODULE; EQUIPMENT:ELECTRICAL:ANTI\-THEFT DEVICES

## NHTSA's summary

This Preliminary Information communication advises the technician about key and theft information for Fleet Vehicles equipped with RPO 6E2 or 6E8 and converting to fleet mode. Technician will need to ensure fleet vehicles with RPO 6E2 or 6E8 should be checked to verify that the Theft Deterrent Module is in fleet mode prior to attempting to add keys.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137171-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10137171-0001.pdf)

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

## Components

Electrical system, Equipment and accessories, Ignition

## Vehicles listed

- 2007 to 2014 CADILLAC ESCALADE
- 2007 to 2013 CHEVROLET AVALANCHE
- 2008 to 2018 CHEVROLET EXPRESS
- 2007 to 2011 CHEVROLET SILVERADO 1500
- 2012 CHEVROLET SILVERADO 2500
- 2014 CHEVROLET SILVERADO 2500
- 2013 CHEVROLET SILVERADO 3500
- 2007 to 2014 CHEVROLET SUBURBAN
- 2007 to 2014 CHEVROLET TAHOE
- 2008 to 2018 GMC SAVANA
- 2007 to 2010 GMC SIERRA 1500
- 2012 GMC SIERRA 2500
- 2014 GMC SIERRA 2500
- 2011 GMC SIERRA 3500
- 2013 GMC SIERRA 3500
- 2007 to 2014 GMC YUKON

## Recalls for the same vehicles and component

- [15V640000](/recalls/nhtsa/15V640000.md), 2015-10-09: ELECTRICAL SYSTEM:IGNITION
- [14V827000](/recalls/nhtsa/14V827000.md), 2014-12-30: ELECTRICAL SYSTEM:IGNITION
- [13V010000](/recalls/nhtsa/13V010000.md), 2013-01-14: ELECTRICAL SYSTEM:IGNITION

## Other bulletins for the same vehicles and component

- [PIP5130D](/bulletins/10253373.md), 2024-04-22, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:IGNITION. Engine Cranks But Will Not Start May Set P00C6.
- [PIP5130B](/bulletins/10253371.md), 2024-04-22, Service bulletin: ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:IGNITION. Engine Cranks But Will Not Start May Set P00C6.
- [PIT5185](/bulletins/10247742.md), 2023-12-26, Service bulletin: ELECTRICAL SYSTEM:IGNITION. Computer\-Controlled Cranking System \(Bump Start\) Inoperative.
- [PIT4560G](/bulletins/10247660.md), 2023-12-26, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Normal Characteristic \- RKE Inoperative / Unable To Program Fobs.
- [PIT5209](/bulletins/10247111.md), 2023-12-11, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:CONTROL MODULE. Unwanted Alarm Sounding \(GM Accessory Inclination Sensor Mounting\)
- [PIT5234A](/bulletins/10245933.md), 2023-12-04, Service bulletin: ELECTRICAL SYSTEM:IGNITION. Ignition Key Cannot Be Turned.
- [PIT5234](/bulletins/10245932.md), 2023-12-04, Service bulletin: ELECTRICAL SYSTEM:IGNITION. Ignition Key Cannot Be Turned.
- [PIT5233](/bulletins/10245931.md), 2023-12-04, Service bulletin: ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM. Hard Or Unable To Rotate Ignition Key From The Off Position.
- [120089002A](/bulletins/10245761.md), 2023-12-04, Service bulletin: ELECTRICAL SYSTEM:IGNITION:ANTI\-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; EQUIPMENT. Requesting a New Key Code for Customer with Lost or Stolen Keys
- [PIC5650K](/bulletins/10237659.md), 2023-06-13, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM:IGNITION. This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble Codes B3055, B3060, and/or B3935. Technician should not replace any parts for this concern. If unable to duplicate the concern ask if the customer uses any Radio Frequency Identification Devices when the concern is present. Dealer should also direct their customers to the appropriate section in the Owner manuals that references that the device complies.

JSON: [/v1/bulletins/10137171](/v1/bulletins/10137171)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20PIT4376J&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10137171&vehicle=Service%20bulletin%20PIT4376J)
