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P1640 Diagnostic Trouble Code Discussion for July 2005

Output Driver 1 Voltage High Input

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Trouble Ticket Help Requests for DTC P1640
Help Request Posted
2000 Saab 9-5 2.3t 2.3L No Start, Stall, MIL Lamp on VIN: YS3ED48E2Y
P1640: No power PIN 1 ECM. ... die and no start only when temp above 80-85 degrees. Customer has experienced this problem for the last 2-3 years but is getting worse. Customer states will die after 5-10 miles of driving and not restart for 15-20 minutes (we experienced less than 5 minut...
July 15, 2005