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P1640 Diagnostic Trouble Code Discussion for December 2004

Output Driver 1 Voltage High Input

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Trouble Ticket Help Requests for DTC P1640
Help Request Posted
1999 Isuzu Rodeo LS 3.2L Poor Idle Quality, Surge VIN: 4S2CK58W8X
P1640: Output Driver Module 'A' Circuit Malfunction. Hello everyone I got this Rodeo that when it sets for 10 minutes or longer it has a long crank time to start, the engine will start easy if it does not set very long. it has no fuel pressure bleed, and has got good spark good injector pulse good fuel pressure....
December 16, 2004