DTC 52 PROM (CAL-PAK) Missing. GMC Truck GMC C-Series Medium Duty Truck B7 1998

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC C-Series Medium Duty Truck B7 🢒 DTC 🢒 DTC 52 PROM (CAL-PAK) Missing

Check for missing the PROM (CAL-PAK) and that all pins are fully inserted in the socket. If OK, replace the ECM.