
1995 Buick Regal Limited 3.8L MIL Lamp on
Code p1640 ( qdm 1 failure. Test evap purge valve and it ok. Test power and ground for tcc enable solenoid and it ok. Has anyone have this problem before
FIX posted 11/9/2019
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)7 Replies Received(Hide Replies)7 Replies Received
|
Message Closed w/FIX
|
VIN | 2G4WD52LXS |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | Not OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P1640 | Output Driver Module 'A' Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
1995 Buick Regal Limited
VIN | 2G4WD52LXS |
Engine | 3.8 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | Not OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P1640 | Output Driver Module 'A' Circuit Malfunction |