WenmarOpen by Wenmar Pro

Service bulletin PIP-4636

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 id10030730
Published by NHTSA2009-11-24
Manufacturer's numberPIP-4636
Manufacturer's date2009-05-01
NHTSA componentELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING:ENGINE:DIESEL

NHTSA's summary

CHEVROLET/GMC: TURBO VANE POSITION SENSOR WIRE CHAFE; REDUCED POWER AND/OR THE SES/MIL LIGHT ON. INITIAL DIAGNOSIS MAY REVEAL ONE OR A COMBINATION OF TURBO DTCS P003A, P0234, P0401, P0402, P0652, P0698, P0699, P2563. IF ONE OR COMBINATION OF DTCS HAVE BEEN FOUND, INSPECT FOR A WIRE CHAFE ON THE VPS (VANE POSITION SENSOR). *PE

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, Engine, Wiring and fuses

Trouble codes named

P003A, P0234, P0401, P0402, P0652, P0698, P0699, P2563

Vehicles listed
CHEVROLET EXPRESS2007, 2008, 2009
GMC SAVANA2007, 2008, 2009

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

Recalls for the same vehicles and component
23V2470002023-04-06. ELECTRICAL SYSTEM:WIRING

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
1300890082023-12-11. Service bulletin. GM Wiring Repair Strategy Information
100089005G2019-05-13. Service bulletin. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
100089005H2019-03-18. Service bulletin. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs.
10-00-89-005C2018-06-04. Service bulletin. This informational bulletin is a revision for 10-00-89-005B to add the 2014 model year and labor codes.
18NA1022018-05-21. Service bulletin. This technical bulletin provides a procedure to repair a possible wiring harness repair if damaged by the parking bark, brake booster mount or brake pedal bolt.
10-00-89-005E2018-05-21. Service bulletin. 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.
13-00-89-008A2018-05-07. Service bulletin. This informational bulletin communicates GM wiring repair strategy information.
13-08-116-0012018-04-16. Service bulletin. This technical bulletin provides a procedure on suspected tampering due to aftermarket ALDL or DLC interface devices causing multiple issues.
13-00-89-0082018-04-02. Service bulletin. This informational bulletin provides information for GM wiring repair.
100089005D2017-12-22. Service bulletin. This warranty informational bulletin advised the technician that when performing a wiring repair, more information is required.