Question about 2006 Pontiac G6
The Car: 2006 G6 V6 Sedan 49,000 miles
The problem: Driving home 150 miles through an intense snow storm I seem to have developed an intermittent ABS issue. I stopped at the store just before getting home and when I re-started the car the "ABS" "BRAKE" and "traction control" lights came on. I have purchased a scanner and found there are 3 codes, C0050 Right wheel speed sensor circuit, C0045 Left Rear wheel speed sensor circuit, and a history code for C0281 Dynamic rear proportioning performance.
I find it hard to believe that both rear hubs went bad the same day, Does anyone know of a common element that could cause this issue. Perhaps a shared ground somewhere. It is also intermittent, when starting the car sometimes the lights do not come on and the scan only shows history codes. The times the lights do come on I do not hear or feel the ABS test cycle run.
Any help or advice would be appreciated! If anyone has a wiring diagram for the abs that would also be helpful.
When the ABS light comes on you will not hear or feel anything cause soon as the ABS light comes on the ABS is disabled
sounds like it is weather related (rain,snow)
i would check both rear wheel speed sensor harnesses for water intrusion if you see any corrosion (green) on the terminals replace both the hub and harness
if there is no corrosion then check resistance of the sensor also check for a short to ground
if that is ok then put some dielectric lube on the wheel speed sensor terminals and clear the codes and see what happens
intermittent problems can be hard to find
hope this helps
Posted on Dec 30, 2009
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