RAM 3500 Truck 4WD L6-5.9L DSL Turbo VIN C (2002)
If OK with a base version CTM, replace the faulty CTM.
If OK with a high-line/premium version CTM, use a DRBIII scan tool and the appropriate diagnostic information to perform further diagnosis of
the CTM.
If not OK, repair the open fused ignition switch output circuit between the CTM and the JB.