Join Now
International Automotive Technicians Network

P1640 Diagnostic Trouble Code Discussion for June 2011

Output Driver 1 Voltage High Input


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1640
Help Request Posted
1995 Oldsmobile Cutlass Ciera 3.1L Hesitation, Misfire, MIL Lamp on VIN: 1G3AJ53M3S
P1640: qdm a error. greetings all. this thing has me pulling my hair out. Replaced the lower intake gasket due to an oil leak at the rear. I now have a hesitation and backfire under hard acceleration that the customer says was not there before. check engine light comes on intermi...
June 14, 2011
1995 Oldsmobile Cutlass Ciera 3.1L Hesitation, Misfire, MIL Lamp on VIN: 1G3AJ53M3S
P1640: qdm a error. greetings all. this thing has me pulling my hair out. Replaced the lower intake gasket due to an oil leak at the rear. I now have a hesitation and backfire under hard acceleration that the customer says was not there before. check engine light comes on intermi...
June 14, 2011