1995 Buick Riviera 6 cyl Front Wheel Drive Automatic 135365 miles
This year is a pain, between OBDI And OBDII. But I managed to obtain trouble codes and need help. Following codes are present:
P0406-EGR Pintle Valve Position error
P0568-CC System Sensor Signal Circuit Problem( car surges when cruise control set. Tests show system works and deactivates when brake applied, but surges when on)
P0599-VATS failure(pass lock II system-tried both keys I have and car still runs)
P0650-Quad Driver Module QDM2 fault
P0705- PRNDL Switch fault
used Actron cp9150
Need help. Where is the PRNDL switch? EGR valve is no brainer. Quad driver QDM2? Where is that and what do I look for?
Cruise control-switch on cloumn or in engine compartment?
Had it in dealer for other issues and ever since I got it back these came up. Had issues with dealer and turned them into BAR. So any help you can give me to fix this would be greatly appreciated. I love this car and the way it handles.
Friday, May 21st, 2010 AT 5:12 PM