Catera V6-3.0L VIN R (1997)
Engine Control Module: Description and Operation
Programming
This vehicle is equipped with a Theft Deterrent System which interfaces with the ECM. If the ECM is replaced, program the new ECM with the
frequency code of the theft deterrent module that is currently on the vehicle. Refer to Accessories and Optional Equipment / Antitheft and Alarm
Systems for the proper procedure. The vehicle will not start until this procedure is done.