2002 Saab 9-5 electrical system problems

Defect

CERTAIN PASSENGER VEHICLES EQUIPPED WITH B308 6-CYLINDER GASOLINE ENGINES MAY EXPERIENCE OVERHEATING AND BURNOUT OF THE ISOLATED GATED BIPOLAR TRANSISTOR (IGBT) WITHIN THE IGNITION DISCHARGE MODULE (IDM) DUE TO INCREASED SUSCEPTIBILITY TO ELECTRICAL LOADS.

Consequence

OVERHEATING OF THE IGBT OCCURS MOST OFTEN AT ENGINE START-UP, BUT IT MAY ALSO OCCUR WHILE THE ENGINE IS RUNNING. ENGINE STALLING MAY OCCUR, WHICH COULD RESULT IN A CRASH.

Remedy

DEALERS WILL INSPECT TO SEE WHAT VERSION IDM IS IN THE VEHICLE AND REPLACE THE IDM IF IT IS A VERSION BUILT PRIOR TO JANUARY 2003. THE RECALL IS EXPECTED TO BEGIN DURING DECEMBER 2005. OWNERS MAY CONTACT SAAB AT 1-800-955-9007. NOTE: THIS RECALL IS AN EXPANSION OF A PREVIOUS CAMPAIGN (PLEASE SEE 05V399).

Defect

CERTAIN PASSENGER VEHICLES EQUIPPED WITH B205/B235 4-CYLINDER GASOLINE ENGINES AND B308 6-CYLINDER GASOLINE ENGINES MAY EXPERIENCE OVERHEATING AND BURNOUT OF THE ISOLATED GATED BIPOLAR TRANSISTOR (IGBT) WITHIN THE IGNITION DISCHARGE MODULE (IDM) DUE TO INCREASED SUSCEPTIBILITY TO ELECTRICAL LOADS.

Consequence

OVERHEATING OF THE IGBT OCCURS MOST OFTEN AT ENGINE START-UP, BUT IT MAY ALSO OCCUR WHILE THE ENGINE IS RUNNING. ENGINE STALLING MAY OCCUR, WHICH COULD RESULT IN A CRASH.

Remedy

DEALERS WILL INSPECT TO SEE WHAT VERSION IDM IS IN THE VEHICLE AND REPLACE THE IDM IF IT IS A VERSION BUILT PRIOR TO THE INTRODUCTION OF QP3. AN INTERIM LETTER WILL BE MAILED TO OWNERS IN OCTOBER 2005, INFORMING THEM OF THE CONDITION. PARTS ARE NOW AVAILABLE AND OWNERS WILL BE NOTIFIED TO BRING THEIR VEHICLES IN TO THE DEALERS TO HAVE THE IDM REPLACED BY LETTER DATED MARCH 13, 2006. OWNERS MAY CONTACT SAAB AT 1-800-955-9007.