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Service bulletin 030604012

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 id10000949
Published by NHTSA2003-04-05
Manufacturer's number030604012
Manufacturer's date2005-08-01
Replaces030604012A
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

INSPECTION OF ALL RELATED WIRING HARNESS CONNECTIONS WHEN DIAGNOSING MISCELLANEOUS DIAGNOSTIC TROUBLE CODES, INTERMITTENT DRIVEABILITY CONCERNS, HARD START, NO START, INCORRECT GAUGES, INOPERATIVE AIR CONDITIONING SYSTEMS, SERVICE ENGINE SOON LAMPS ILLUMINATED, 4WD LAMP ILLUMINATED, INSTRUMENT PANEL GAUGES INOPERATIVE, CRUISE INOPERATIVE. 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT

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
BUICK BUICK2003
CADILLAC CADILLAC2003
CHEVROLET CHEVROLET2003
GMC GMC2003
HUMMER H22003, 2004, 2005, 2006
HUMMER H32006
OLDSMOBILE OLDSMOBILE2003
PONTIAC PONTIAC2003
SAAB 9-7X2005

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

Recalls for the same vehicles and component
20142792014-07-03. Electrical
20132102013-06-17. Electrical
13V2480002013-06-13. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM
20122822012-08-16. Electrical
10V2400002010-06-04. ELECTRICAL SYSTEM
08V4410002008-08-28. ELECTRICAL SYSTEM
20021962002-10-28. Electrical

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
23-NA-0012025-04-28. Service bulletin. This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
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.
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.
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.
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.
14061300012024-02-12. Service bulletin. High Voltage Safety ? High Voltage Disabling
PI0592I2024-02-02. Service bulletin. This preliminary information (PI) provides information om Service Programming System (SPS) Error Codes (E4398, E4399, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491 or E6961).
14309A2024-01-16. Service bulletin. Driver Door Switch Short Circuit
PIT5074H2023-12-26. Service bulletin. J-35616-64B Terminal Test Probe / Replacement Terminal / Terminated Lead.