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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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10137171
Published by NHTSA2018-05-21
Manufacturer's numberPIT4376J
Manufacturer's date2018-03-05
NHTSA componentELECTRICAL 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

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

Electrical system, Equipment and accessories, Ignition

Vehicles listed
CADILLAC ESCALADE2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CHEVROLET AVALANCHE2007, 2008, 2009, 2010, 2011, 2012, 2013
CHEVROLET EXPRESS2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
CHEVROLET SILVERADO 15002007, 2008, 2009, 2010, 2011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002012 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
CHEVROLET TAHOE2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
GMC SAVANA2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
GMC SIERRA 15002007, 2008, 2009, 2010 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002012 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002011 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002013 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014

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

Recalls for the same vehicles and component
15V6400002015-10-09. ELECTRICAL SYSTEM:IGNITION
14V8270002014-12-30. ELECTRICAL SYSTEM:IGNITION
13V0100002013-01-14. ELECTRICAL SYSTEM:IGNITION

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
PIP5130D2024-04-22. Service bulletin. Engine Cranks But Will Not Start May Set P00C6.
PIP5130B2024-04-22. Service bulletin. Engine Cranks But Will Not Start May Set P00C6.
PIT51852023-12-26. Service bulletin. Computer-Controlled Cranking System (Bump Start) Inoperative.
PIT4560G2023-12-26. Service bulletin. Normal Characteristic - RKE Inoperative / Unable To Program Fobs.
PIT52092023-12-11. Service bulletin. Unwanted Alarm Sounding (GM Accessory Inclination Sensor Mounting)
PIT5234A2023-12-04. Service bulletin. Ignition Key Cannot Be Turned.
PIT52342023-12-04. Service bulletin. Ignition Key Cannot Be Turned.
PIT52332023-12-04. Service bulletin. Hard Or Unable To Rotate Ignition Key From The Off Position.
120089002A2023-12-04. Service bulletin. Requesting a New Key Code for Customer with Lost or Stolen Keys
PIC5650K2023-06-13. Service bulletin. 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.