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p0500 permanent code

2.8K views 8 replies 4 participants last post by  smwalker  
#1 · (Edited)
Did some work on the front. Test drove and got the p0500 code. engine ran a bit rough, got the ABS, ESP and traction control lights on the dash. Discovered I didn't securely connect the speed sensor from the knuckle to the connection in the engine bay on the drivers side and the connector separated. I made sure to connect it better this time. I reset the codes. Immediately the engine started running better. I'm seeing the p0500 as a permanent code. I disconnected the battery and plan to check tomorrow. Anyone else do something stupid like this and have the permanent code go away?
 
#3 ·
#6 ·
I have seen it many times that the codes stay as permanent after they have been fixed on certain scanner models. That is annoying and misleading and when that happens I will confirm with a scanner that I know of will not display codes that way.
 
#7 ·
I recheck the wiring, everything looks good. The vehicle drives fine. I confirm the speedometer is pretty accurate. As suggested I'm going to find a scanner that can do ABS and graphing wheel speed.
 
#9 ·
Permanent codes are a new thing is 2010 and newer vehicles so folks are not up to speed on them yet. With the check engine light off and a permanent code present does not mean there is anything wrong with your car. It means there WAS something wrong with your car and those codes are going to stay around a while to make sure you fixed it right. If not for a state emissions inspection you can basically ignore Permanent codes they are not hurting anyone hanging around inside a ECU.

You cannot clear a permanent code with a scanner or battery disconnect. No scanner can clear then so don't waste any money. Wait till the Check Engine Light comes of to try and diagnose anything. Only Pending or Current codes are to be diagnosed and repaired.