DTC 55 Theft Deterrent Module Malfunction. Cadillac Catera 1998

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 1998 🢒 Catera 🢒 Body and Accessories 🢒 Theft Deterrent 🢒 DTC 55 Theft Deterrent Module Malfunction

Internal defects in the Theft Deterrent Module sets DTC 55.

Theft Deterrent Module hardware failure (EEPROM, RAM, ROM defective).

The engine will not start.

Replacing the Theft Deterrent Module.

•	Check for proper power and ground to the theft deterrent module.

•	Replace the theft deterrent module if power and ground are OK. Refer to Steering Wheel and Column On Vehicle Service.