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Service bulletin PIT4780P

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 id10247671
Published by NHTSA2023-12-26
Manufacturer's numberPIT4780P
Manufacturer's date2014-04-01
NHTSA componentELECTRICAL SYSTEM; EQUIPMENT

NHTSA's summary

Parallel Hybrid Truck (PHT) Part Restriction.

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

Vehicles listed
CHEVROLET SILVERADO 15002004, 2005, 2006, 2007 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002006 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002004, 2005 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2007 (the catalog's model; the bulletin names a series or trim of it)

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

Recalls for the same vehicles and component
20142772014-07-03. Electrical
14V4070002014-07-02. ELECTRICAL SYSTEM
20101892010-06-07. Accessories
10V2400002010-06-04. ELECTRICAL SYSTEM
09V4560002009-11-19. EQUIPMENT:APPLIANCE:AIR CONDITIONER
08V5190002008-10-06. EQUIPMENT ADAPTIVE/MOBILITY
08V4410002008-08-28. ELECTRICAL SYSTEM
05V5520002005-12-07. EQUIPMENT:OTHER:LABELS
04V5620002004-11-26. EQUIPMENT ADAPTIVE/MOBILITY

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
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PIP4723J2024-10-25. Service bulletin. This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and Vehicle Data Recorder tools, giving website address and step by step instructions to complete the update.
PIC5650L2024-09-06. 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.
09-06-04-026Y2024-09-05. Service bulletin. This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
General Communication2024-08-26. Service campaign. Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to updating affected modules (with some exceptions). The updating of modules is completed in parallel instead of the technician needing to update one module at a time. This allows a more streamlined approach for dealers and customers.
PIT5195H2024-08-13. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
24-NA-0982024-06-25. Service bulletin. This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and resolution information.
13-08-116-001J2024-05-16. Service bulletin. The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
PI0718B2024-04-29. Service bulletin. Audio System Speaker Rattle, Buzz Noise, Poor Sound
10-08-45-001H2024-04-05. Service bulletin. This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.