If your customer gets a message that says something like “ANTI-SKID TEMPORARILY OFF” or “DTSC SPIN CONTROL OFF,” one of the major safety systems on that Volvo is not working.
Mercedes-Benz vehicles use thousands of fasteners to keep things from coming apart. Some serve a critical safety function.
Break the list of controller faults into sections and in order of importance. Primary on the list is the no start condition.