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Home >> Saab >> 2010 >> 9-5 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Theft Protection >> Fault diagnosis, fault codes >> DTC P0633: Immobilizer Key Not Programmed >> Circuit/System Verification

Circuit/System Verification

NOTE: Because of normal system communications between the body control module BCM and ECM, any immobilizer B-codes must be diagnosed prior to the diagnosis of P-codes.

Perform the Immobilizer Relearn procedure. Refer to IMMOBILIZER SYSTEM COMPONENT PROGRAMMING . The ECM should successfully complete the password learn and the vehicle should start.

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