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Home >> Chevrolet >> 2007 >> HHR LS, Standard >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC P1632 >> Circuit/System Verification

Circuit/System Verification

IMPORTANT: Because of normal system communications between the TDM and ECM, any theft deterrent B-codes must be diagnosed prior to the diagnosis of P-codes.

Perform the 10-Minute Immobilizer Relearn procedure. Refer to Programming Immobilizer System Components (Except Canada)  or Programming Immobilizer System Components (Canada) . The ECM should successfully complete the password learn and the vehicle should start.

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