P1643 – Fuel pump control module -circuit malfunction (Oldsmobile)

By BAT Team (Contact Me)
Last Updated 2023-11-21
A site with free advice from mechanics.
CodeFault LocationProbable Cause
P1643 Fuel pump control module -circuit malfunction
(Buy Part On Amazon)
Wiring open circuit/short circuit to ground/ short circuit to positive, fuel pump control module, ECM

We recommend Torque Pro

Help Us Help You

We have not gotten around to publishing a technical guide specifically for P1643 – Fuel pump control module -circuit malfunction (Oldsmobile) yet.

To escalate the priority of this guide in our production queue, please let us know the specifics of your vehicle (make, model, year, miles, and engine) and make a $9.99 donation via the payment button below. We will follow up immediately with additional questions as needed and email you a detailed guide for your vehicle.

Please help support us and let us help you.