EGR Valve
Number one eve valve
It is 420-555-0100
what is the company code for tractor supply?
The only way to fix the Volvo-503 code is to take it to the dealership and have them fix it for you.
You would have to explain what state your licence is from, and whether or not that's a restriction code. To drive a semi, you would need a Class A CDL (unless it's a registered farm vehicle, exempt from CDL requirements, in which case, your state is free to establish their own licencing requirements). I know in North Carolina, a "No tractor trailer" restriction on a Class A CDL was an "8" restriction. Taking a quick glance, I can see that 57 is a CDL restriction code in Tennessee. If TN is your state, then your answer would be no - 57 is the "except tractor-trailer" restriction code for that state.
Trailer disconnected
You have to get the code at a Volvo dealer. They will need your VIN number, and usually don't charge anything for the code, helps if you are a regular customer.
it is the ignition coil is the problem replace it p0135 for Volvo not sure about p1081
You can call or visit you local Volvo dealer to get a CT-503 code for serial number V0186011201011C.
You have to take it to a Volvo dealer. They can look up the code in their database. Each radio has a unique code based on the serial number of the radio.
I have a radio code by Volvo Model:volvo-vr100 Serial:89FFLZM172700133 Please help quickly and thank you
3223 is the code for a sc-810