P1640 Diagnostic Trouble Code Discussion for October 2005
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 | |
| 1998 Saturn SW1 1.9L Excessive Emissions, MIL Lamp on VIN: 1G8ZH8286W P1640: Output Driver Module 'A' Circuit Malfunction. In MA they do a OBD II check for emmissions, i.e. readiness monitors and codes, the vehicle came to us with a code for P0420A Catylitic converter below efficency. We checked the oxygen sensors and both were switching at the same time, cat not functioning prope... |
October 06, 2005 | |
| 1994 Buick Park Avenue Ultra 3.8L Poor Fuel Economy, MIL Lamp on VIN: 1G4CU5216R P1640: qdm 1. ... your a true buick tech. than you know this car is a half breed of obd1 and II. the QDM 1 controles the tcc lock up, the purge, and the boost circuit. the ses light has come on at 10 mph code and hot. come on at 40+mph. What im thinking is the rough idle co... |
October 24, 2005 |
