P1237 code in taraus - 2000 Ford Taurus

P1237 FORD Code Fuel Pump Secondary Circuit Fault (With Video) (autocodes.com)

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Error Code P1237 takes place when the FPDM has determined a problem in the fuel pump secondary circuit. The FPDM indicates to the PCM (powertrain control module, also known as ECM or engine control module in other vehicles makes) through the FPM (fuel pump monitor) circuit to highlight the detected concern.

Error Code P1237: Fuel Pump Secondary Circuit Fault - Auto ...

Videos as well

https://www.google.com/search?q=p1237+error+code+on+my+2005+Lincoln+navigator

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P1237 relates to the fuel pump circuit. Check the fuse and the pump relay. If they are okay your fuel pump has probably failed

DTC ) fault code ) - P1237:
Boost Control Positive Deviation

This fault code can be set when the fuel tank is empty or the specified fuel is not used. ( supermarket fuels etc have been known to cause this.. )

It can also be attributed to a turbo fault - if the fault is no turbo boost.

I would start by making sure the harness was not pinched during the install of the tank. I believe the FPMD is under the rear right seat or on that side, in the trunk.

P1237 Fuel Pump Secondary Circuit Malfunction
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Renault can clip

The P1237 means Fuel Pump Secondary Circuit Malfunction.
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autel maxidas ds708

Hi,
P1237 - Fuel Pump Secondary Circuit Malfunction

Googled Link:http://engine-codes.com/p1237.html

ts a fuel pump circuit code

P1237--Fuel Pump Secondary Circuit Malfunction

It could be an issue with the fuel pump
Also there are several other steps to follow,
before arriving at a bad pump
Most involve some type of short, detected in the
wiring along the way.That is the short explanation

You really need a diagnostic trouble chart to follow

So,you will have to seek help at a local repair shop
I wouldn't give away extra money at a dealer.