# Service bulletin 4256

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: 10021079
- Published by NHTSA: 2007\-03\-01
- Manufacturer's number: 4256
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

VARIOUS ELECTRICAL CONCERNS. BRAKE WARNING LAMP ON, AND EXTERIOR LIGHTS ARE INOPERATIVE. \*KB

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Electrical system

## Vehicles listed

- 2007 CADILLAC ESCALADE
- 2007 CHEVROLET AVALANCHE 1500
- 2007 CHEVROLET AVALANCHE 2500
- 2007 CHEVROLET SUBURBAN 1500
- 2007 CHEVROLET TAHOE
- 2007 GMC YUKON

## Recalls for the same vehicles and component

- [10V240000](/recalls/nhtsa/10V240000.md), 2010-06-04: ELECTRICAL SYSTEM
- [08V441000](/recalls/nhtsa/08V441000.md), 2008-08-28: ELECTRICAL SYSTEM

## Other bulletins for the same vehicles and component

- [23\-NA\-001](/bulletins/11017252.md), 2025-04-28, Service bulletin: UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
- [PIP4723J](/bulletins/11009156.md), 2024-10-25, Service bulletin: ELECTRICAL SYSTEM. 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.
- [PIC5650L](/bulletins/11007196.md), 2024-09-06, Service bulletin: ELECTRICAL SYSTEM; UNKNOWN OR OTHER. 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\-026Y](/bulletins/11007116.md), 2024-09-05, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This bulletin provides information on identifying Non\-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- [General Communication](/bulletins/11006621.md), 2024-08-26, Service campaign: ELECTRICAL SYSTEM. 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.
- [PIT6134A](/bulletins/11006316.md), 2024-08-13, Service bulletin: ELECTRICAL SYSTEM. This Preliminary information communicates an issue with premature brake pad life and engineering is working on release new pad lining material.
- [PIT5195H](/bulletins/11006274.md), 2024-08-13, Service bulletin: ELECTRICAL SYSTEM. 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\-098](/bulletins/11002312.md), 2024-06-25, Service bulletin: ELECTRICAL SYSTEM. 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\-001J](/bulletins/11000162.md), 2024-05-16, Service bulletin: ELECTRICAL SYSTEM. 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.
- [PI0430B](/bulletins/10254209.md), 2024-05-06, Service bulletin: ELECTRONIC STABILITY CONTROL:AUTOMATIC \(ASC\); ELECTRICAL SYSTEM; SUSPENSION. Magnetically Controlled Suspension Electrical Connector Not Seated.

JSON: [/v1/bulletins/10021079](/v1/bulletins/10021079)

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