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Service bulletin 050302

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 id636593
Published by NHTSA2002-11-10
Manufacturer's number050302
Manufacturer's date2002-05-03
NHTSA componentELECTRICAL SYSTEM:WIRING

NHTSA's summary

SUBJECT REGARDING A CHANGE TO THE TRAILER WIRING HARNESS KNOWN TO CAUSE BLOWN FUSES AND CUSTOMER DISSATISFACTION. *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, Wiring and fuses

Vehicles listed
CHEVROLET VENTURE2002
OLDSMOBILE SILHOUETTE2002
PONTIAC MONTANA2002

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

Other bulletins for the same vehicles and component
TSB T2007-01 REV2017-03-27. Service bulletin. INTELLIGENT LIFE INTERLOCK SYSTEM (ILIS) THE SHIFT LOCK STATUS LED (AMBER) FLASHES AND THE SFHIFTER DOES NOT LOCK WITH THE PARK BRAKE ON AND /OR THE LIFT DOOR OPEN. THIS WILL ONLY OCCUR IF THE VEHICLE BATTERY VOLTAGE DROPS BELOW 7.5 VOLTS DURING ENGINE CRANKING.
572005-09-13. Service bulletin. WIRE HARNESS MAY BE STRETCHED, OR THE PCS MAY NOT BE ORIENTED IN THE SAME POSITION, AFTER INSTALLING A SERVICE REPLACEMENT VALVE BODY ASSEMBLY. GM TECH LINK. *TT
017402004-04-27. Service bulletin. CROSS INJECTOR WIRES CAUSING MISFIRE AT STEADY STATE SPEED AND RPM, MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, AND A P0300 SET. SIT BULLETIN 1460291. *TT