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2000 ford taurus code p1237 car shuts off then restarts

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The code is for the fuel pump circuit - possibly a faulty fuel pump driver module. The circuit would need to be tested.

Posted on Dec 07, 2012

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I'm getting P1237 first time after replacing new fuel pump. My car; 2000 Ford Taurus DOHC 3.0 L. does not have FPMD, How I fix this code ?


Unplug and check the outside connections and look for bent, broken or corroded pins and reconnect to see if that helps.

Jul 29, 2014 | 2000 Ford Taurus

2 Answers

How I to solve a P1237 Code ?


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.

Jul 29, 2014 | 2000 Ford Taurus

1 Answer

How do I fix code P1237 on ford taurus sel


P1237 - Fuel Pump Secondary Circuit Malfunction

Electronic Returnless Fuel Systems (ERFS) utilize a Fuel Pump Driver Module (FPDM) to control fuel pressure. The PCM uses a Fuel Rail Pressure Sensor (FRP) for feedback. The PCM outputs a duty cycle to the FPDM to maintain the desired fuel rail pressure. During normal operation, the PCM will output a FP duty cycle from 5% to 51%. The FPDM will run the fuel pump at twice this duty cycle, e.g. if the PCM outputs a 42% duty cycle, the FPDM will run the fuel pump at 84%. If the PCM outputs a 75% duty cycle, the FPDM will turn off the fuel pump.

If the FPDM does not out any diagnostic signal, (0 or 100% duty cycle), the PCM sets a P1233 DTC. This DTC is set if the FPDM loses power. This can also occur if the Inertia Fuel Switch is tripped.

If the FPDM outputs a 25% duty cycle, it means that the fuel pump control duty cycle is out of range. This may occurs if the FPDM does not receive a valid control duty cycle signal from the PCM. The FPDM will default to 100% duty cycle on the fuel pump control output. The PCM sets a P1235 DTC.

If the FPDM outputs a 75% duty cycle, it means that the FPDM has detected an open or short on the fuel pump control circuit. The PCM sets a P1237 DTC.


Keep us updated.

Feb 28, 2011 | 2000 Ford Taurus

2 Answers

I have a p1237 code, what does it mean. and what can i do to fix it.


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.

Nov 29, 2010 | 2000 Ford Taurus

2 Answers

P1237 code in taraus


p1237.....fuel pump secondary circuit fault......what is the current problem that you are experiencing

Aug 31, 2010 | 2000 Ford Taurus

2 Answers

2000 Ford Taurus Flex Fuel V6. Check engine light is on shows code P1237, car runs fine starts fine.


your code is or the following. Fuel Pump Secondary Circuit Malfunction. This may involve removing your gas tank to fix. Go to the parts store and they can get you the parts you need and let you know for sure.

Jun 29, 2009 | 2000 Ford Taurus

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