2006 Chevy Trailblazer 4200 Straight Si Cylinder. Service Stability , TRAC. Computer codes C0455 and c0244.
Question = Why is my service stability light on the dash as well as the Traction warning on 2006 chevy Trailblazer. The repair shop i took it to scanned and said code C0455 , c0244, but they dont know what is wrong with it. Any help appreciated and donation to follow, thank you.
2004 chevy trailblazer. Codes p0455. Question = what should i be looking for when code p0455 comes up....evaporative emission control system leak detected (gross leak).
Answer: Code p0455 is a large EVAP leak. A common cause for this is a loose or faulty gas cap. Or if the truck was running when you were filling it with gas, this can also cause this code. Another common cause is a faulty / sticking EVAP vent solenoid / valve. If the vent valve does not operate, the system will not seal when it needs to, thus causing a large leak. A simple test with a test light and a scanner that can turn the vent solenoid on and off would need to be done to test the valve.
Answer: A common cause for this warning light and the codes you are getting is a failed Steering Wheel Position Sensor. This code is very intermittent and hard to diagnose. Even with the proper scanner to view stability system data, the sensor is usually operating correctly at the time of diagnosis. There is also a service bulletin that refers to a wiring harness that may cause these codes, but most all of the time it is the sensor. The sensor is not hard to replace. Takes just 15 minutes or so. If you would like, i can send you instructions on how to do it.
VISITOR: Yes, please send those instructions. I have made a tip / donation just a few minutes ago, thanks.
JK: Thank you very much. I will send that info right out.....
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