P1640 Diagnostic Trouble Code Discussion for September 2007
Output Driver 1 Voltage High Input
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| Help Request | Posted | |
| 1994 Oldsmobile 88 Royale 3.8L Stall VIN: 1G3HN52L8R P1640: quad driver. ... no restart for at least one hour code present p1640 and p1670 |
September 20, 2007 |
