The automobile fault code P1237 indicates a problem with the Fuel Pump Driver Module (FPDM).

The most common symptom is the Engine Light being ON or the Service Engine Soon Warning Light.

The cause could be a faulty FPDM, an open or shorted FPDM harness, a poor electrical connection in the FPDM circuit, or a faulty fuel pump. To fix this issue, you should visually inspect the wiring harness and connectors, checking for any damage or corrosion.

Look out for broken, bent, pushed out, or corroded pins in the connectors. The repair time for this issue is estimated to be around 1.0.

Repair Importance Level10.0 (Out of 10)
Estimated Repair TimeApproximately 1.0 hour
Repair Difficulty Level10.0 (Out of 10)

When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p1237 fault code.

  • The symptoms of the automobile fault code P1237 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.

The automobile fault code P1237 can be caused by a faulty Fuel Pump Driver Module (FPDM), an open or shorted FPDM harness, a poor electrical connection in the FPDM circuit, or a faulty fuel pump.

  • The fault code P1237 can be caused by the following: a faulty Fuel Pump Driver Module (FPDM), an open or shorted harness for the Fuel Pump Driver Module (FPDM), a poor electrical connection in the Fuel Pump Driver Module (FPDM) circuit, or a faulty fuel pump.

To fix the automobile fault code p1237, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.

  • To fix the automobile fault code P1237, follow these steps: 1.
  • Check the possible causes mentioned above.
  • 2.
  • Visually inspect the wiring harness and connectors related to the fault code.
  • 3.
  • Look for any damaged components.
  • 4.
  • Check for broken, bent, pushed out, or corroded pins in the connectors.
  • The estimated repair time for this fix is 1.0 hour.

The factors influencing the cost of diagnosing and fixing the automobile fault code P1237 are the estimated repair time of 1.0 hour and the typical auto repair shop charges of $75 to $150 per hour.

The P1237 code refers to a fuel pump secondary circuit fault. This fault is detected by the Fuel Pump Driver Module (FPDM), which controls the voltage to the fuel pump to maintain proper fuel pressure.

The FPDM sends a message to the Powertrain Control Module (PCM) through the Fuel Pump Monitor (FPM) circuit when it detects this concern. The PCM then sets the Diagnostic Trouble Code (DTC) P1237.

This code indicates that there is an issue with the fuel pump secondary circuit.

What are the possible causes of the automobile fault code P1237 and how can I visually inspect them?

If you’re seeing the engine light on or the service engine soon warning light, the fault code P1237 could be the culprit. This code is often caused by a faulty Fuel Pump Driver Module (FPDM), an open or shorted FPDM harness, a poor electrical connection in the FPDM circuit, or a faulty fuel pump. To visually inspect these possible causes, check the related wiring harness and connectors for any damage. Look out for broken, bent, pushed out, or corroded connector pins. Don’t forget to examine the components as well.

How can a faulty Fuel Pump Driver Module (FPDM) be identified as the cause of the P1237 fault code?

If you’re experiencing the dreaded P1237 fault code, with the engine light or service engine soon warning light on, the culprit could be a faulty Fuel Pump Driver Module (FPDM). To confirm this, visually inspect the wiring harness and connectors, checking for any damage or corrosion. Look out for broken, bent, pushed out, or corroded pins on the connectors. Don’t forget to also consider other possible causes like a faulty fuel pump or poor electrical connection in the FPDM circuit.

What steps should I take to fix the P1237 fault code if I find damaged components or corroded connector pins during the visual inspection?

To fix the P1237 fault code, start by visually inspecting the related wiring harness and connectors. Look for any damaged components and check for broken, bent, pushed out, or corroded connector pins. If you find any issues during the inspection, address them accordingly. This step is crucial in identifying and resolving the problem with the fuel pump driver module (FPDM) or its circuit.

p1237 error fault code explained

If your engine light is on and you’re experiencing issues with your fuel pump, it could be due to a faulty Fuel Pump Driver Module (FPDM) or a problem with the FPDM harness. To fix this, visually inspect the wiring harness and connectors for any damage or corrosion. Check for broken or bent pins as well.

Scroll to Top