For 1990-2009 cars

DTC | Diagnostic Procedure | Module
--- | --- | ---
Important: Before you use this table, diagnose P0601, P0602, and P0604. Refer to Diagnostic System Check - Theft Deterrent . Diagnose all Bxxxx codes prior to diagnosing any remaining Pxxxx code.
B2947 | DTC B2947 | BCM
B2948 | DTC B2948 | BCM
B2957 | DTC B2957 | BCM
B2958 | DTC B2958 | BCM
B2960 | DTC B2960 | BCM
B3031 | DTC B3031 | BCM
B3033 | DTC B3033 | BCM
P1626 | DTC P1626 | PCM
P1631 | DTC P1631 | PCM
P1632 | DTC P1632 | PCM
PXXXX Other PCM DTCs Refer to Diagnostic System Check - Engine Controls in Engine Controls-2.2L (L61). Refer to Diagnostic System Check - Engine Controls in Engine Controls-3.0L (L81).