GM Service Manual Online
For 1990-2009 cars only

Addition of DTC U1500 for Generation 4 (F1) OnStar

Subject:Addition of DTC U1500 for Generation 4 (F1) OnStar®

Models:2002 Buick Century, LeSabre, Regal
2002 Cadillac DeVille, Seville
2002 Chevrolet Impala, Monte Carlo
2002 Oldsmobile Aurora, Intrigue
2002 Pontiac Bonneville
2002 Chevrolet and GMC S/T Utility Models (TrailBlazer, Envoy)
2002 Oldsmobile Bravada
with Generation 4 (F1) OnStar®



This bulletin is being canceled. Please discard Corporate Bulletin Number 02-08-46-005 (Section 08 - Body and Accessories).


For vehicles that exhibit this condition, technicians should refer to Corporate Bulletin Number 05-08-46-006N - Information on Upgrading Certain OnStar Analog/Digital-Ready Systems to OnStar® Generation 6 Digital-Capable System

The following vehicles are either upgradeable or not upgradeable:

2002 Buick Century - NON UPGRADE, LeSabre - UPGRADE, Regal - NON UPGRADE

2002 Chevrolet Impala - UPGRADE, Monte Carlo - UPGRADE

2002 Oldsmobile Aurora - UPGRADE, Intrigue - NON UPGRADE

2002 Pontiac Bonneville - UPGRADE

2002 Chevrolet and GMC S/T Utility Models (TrailBlazer, Envoy) - ALL UPGRADE

2002 Oldsmobile Bravada - UPGRADE