P1640 Diagnostic Trouble Code Discussion for March 2008
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 | |
| 1994 Buick Century Special 3.1L MIL Lamp on VIN: 1G4AG55M5R P1640: Computor code. ... a leaking head gasket. Changed the head gasket, started the car and the code came on I have no idea what caused it to come on. The car runs good, has no driveability problem but the light comes on and then it goes off and comes back on again. I cannot find... |
March 15, 2008 |
