I have a reverse slippage problem. How do I fix it
trying to fix simular problem
We had a light alignment problem on our 2007 S40 and they could not adjust due to the design of the head lights... The fix was to replace the left 2007 S40 head light with a 2008 S40 head light....
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The only way to fix the Volvo-503 code is to take it to the dealership and have them fix it for you.
Figure out the cause of the fault, first. It could be physical, or it could be a matter of programming. These things require diagnosis to identify and isolate the exact problem in order to fix them. From my experience with Volvo trucks, they can be an electrical nightmare, and your problem is probably a short in the wiring somewhere.
What is the engine doing? Does it crank over? Does click?
There is a line of succession starting with the Vice President.
Physically has a turning problem ? Try your spare key and still has the problem? Replace the ignition switch.
Check your gas cap. I had a 2402 on my S40 and the gas cap was bad, easy fix...
Electrical labor will vary by location, a problem like that has no flat rate time so it may depend on the amount of time the tech. takes to fix problem, or what you work out with service adviser/shop owner.
Unfortunately, the only way to fix the Volvo-503 COD Pornire V121356315553c is to take it to the dealership and have them fix it.