# Service bulletin 4132

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: 10023755
- Published by NHTSA: 2008\-01\-30
- Manufacturer's number: 4132
- Manufacturer's date: 2007\-12\-01
- Replaces: 4132A
- NHTSA component: ELECTRICAL SYSTEM:WIRING

## NHTSA's summary

SIR LIGHT ON, DTC'S B0085, B0086, B0087 AND B0088. \*NJ

## 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, Wiring and fuses

## Trouble codes named

B0085, B0086, B0087, B0088

## Vehicles listed

- 2007 to 2008 CADILLAC ESCALADE
- 2007 to 2008 CADILLAC ESCALADE ESV
- 2007 to 2008 CADILLAC ESCALADE EXT
- 2007 to 2008 CHEVROLET AVALANCHE 1500
- 2007 CHEVROLET AVALANCHE 2500
- 2007 CHEVROLET SILVERADO
- 2008 CHEVROLET SILVERADO 1500
- 2008 CHEVROLET SILVERADO 2500
- 2008 CHEVROLET SILVERADO 3500
- 2007 to 2008 CHEVROLET SUBURBAN 1500
- 2008 CHEVROLET SUBURBAN 2500
- 2007 to 2008 CHEVROLET TAHOE
- 2008 GMC SIERRA
- 2007 GMC SIERRA 1500
- 2007 GMC SIERRA 2500
- 2007 GMC SIERRA 3500
- 2007 to 2008 GMC YUKON
- 2007 to 2008 GMC YUKON XL 1500
- 2007 to 2008 GMC YUKON XL 2500

## Other bulletins for the same vehicles and component

- [100089005G](/bulletins/10159575.md), 2019-05-13, Service bulletin: ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
- [100089005H](/bulletins/10154629.md), 2019-03-18, Service bulletin: ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
- [PIP4374C](/bulletins/10154573.md), 2019-03-18, Service bulletin: ELECTRICAL SYSTEM:WIRING. This Preliminary Information communication provides information to the technician on were to look for a Possible Chaffed Wire. This could cause service engine soon light comes on and the vehicle is a no start.
- [10\-00\-89\-005C](/bulletins/10139026.md), 2018-06-04, Service bulletin: ELECTRICAL SYSTEM:WIRING; EQUIPMENT. This informational bulletin is a revision for 10\-00\-89\-005B to add the 2014 model year and labor codes.
- [10\-00\-89\-005E](/bulletins/10137237.md), 2018-05-21, Service bulletin: ELECTRICAL SYSTEM:WIRING. This warranty administration bulletin adds the 2016 model year to a communication which provides dealership personnel revised wiring repair labor operations and required additional information.
- [13\-08\-116\-001](/bulletins/10133149.md), 2018-04-16, Service bulletin: ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure on suspected tampering due to aftermarket ALDL or DLC interface devices causing multiple issues.
- [100089005D](/bulletins/10126221.md), 2017-12-22, Service bulletin: ELECTRICAL SYSTEM:WIRING. This warranty informational bulletin advised the technician that when performing a wiring repair, more information is required.
- [10\-08\-42\-001D](/bulletins/10114265.md), 2017-08-15, Service bulletin: ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure to check the headlamp wiring connector and replace if damaged.
- [PIP4525D](/bulletins/10113163.md), 2017-08-15, Service bulletin: ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING. This Preliminary Information communication provides information to the technician about vehicles that have an engine misfire, oil consumption, and/or a Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Code P0300 and or P0301. Technician will need to inspect all of the spark plugs for oil fouling and cracks around the electrode porcelain. Technician will replace the spark plug if it is found cracked. If the \#1 spark plug is the only spark plug that is oil fouled and the electrode porcelain is not cracked, inspect the related valve seals to ensure that they are not damaged or missing, and repair as necessary. If the valve seals are fine, inspect the number 1 cam bearing for possible cause of this concern. Replace the bearing if needed. If the cam bearing has spun the engine will need to be replaced.
- [PIT4551F](/bulletins/10113034.md), 2017-08-15, Service bulletin: ELECTRICAL SYSTEM:WIRING. This Preliminary Information communication provides information to the technician that during the Pre\-Delivery Inspection it may be noticed that the backup alarm is inoperative. Technician can locate the wire harness on the right rear of the frame. Technician can route the harness up and over the spare tire hoist tube and connect to the backup alarm.

JSON: [/v1/bulletins/10023755](/v1/bulletins/10023755)

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