2002 Buick Park Avenue, Regal SMU Revised DTC P0341 Camshaft Position (CMP) Sensor Performance

This bulletin is being issued to revise DTC P0341 Camshaft Position (CMP) Sensor Performance in the Engine Controls-3.8L sub-section of the Service Manual. Please replace the current information in the Service Manual with the following information. This revised DTC requires a different diagnostic approach due to a change that affects diagnosis of the

2005 GMC Truck Envoy 2WD Erratic Speedometer Operation

Erratic Speedometer Operation Or Speedometer Needle Shakes Above 60 mph (96
km/h) (Repair Poor Connection At Ground G108)
Models:
2004-2007 Buick Rainier
2002-2008 Chevrolet TrailBlazer Models
2002-2008 GMC Envoy Models
2002-2004 Oldsmobile Bravada
2005-2008 Saab 9-7X
with 4.2L Engine Only (VIN S - RPO LL8)