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1994 Buick LeSabre Custom 3.8L MIL Lamp on
We have this car with a service engine soon light on, brings up code P1640 – quad driver #1 circuit. I powered up the related solenoids, (torque converter clutch and evap purge) they are both under 550ma, I let them run for about five minutes, and they only dr...
FIX posted 5/9/2002
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Message Closed w/FIX
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Related Documents & Media | VIN | 1G4HP52L8R |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P1640 | Output Driver Module 'A' Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
1994 Buick LeSabre Custom
| VIN | 1G4HP52L8R |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P1640 | Output Driver Module 'A' Circuit Malfunction |
Video