Engine-Codes - Ford - P1236 1999 FORD F150

P1236 1999 FORD F150 - Fuel Pump Control Out Of Range

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P1236 1999 FORD F150 Possible Causes

  • Faulty Fuel Pump Drive Module (FPDM)
  • FPDM harness is open or shorted
  • FPDM circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

How is the P1236 1999 FORD F150 code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Tech Notes

Note: For LS6/LS8 and Thunderbird, the FPDM functions are incorporated in the Rear Electronics Module (REM). Also, the REM does not use an FPM circuit. Diagnostic information is sent on the communication link.
P1236 indicates that the FPDM has detected an invalid or missing FP circuit signal from the PCM. The FPDM will send a message to the PCM through the FPM circuit, indicating that this failure has been detected. The PCM will set the DTC when the message is received.

What is the cost to diagnose the P1236 1999 FORD F150 code

Labor: 1.0

The cost to diagnose the P1236 1999 FORD F150 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1236 1999 FORD F150 Meaning

The P1236 code indicates the Fuel Pump Drive Module (FPDM) detected an invalid or missing Fuel Pump (FP) circuit signal from the Powertrain Control Module (PCM). The FPDM sends a message to the PCM through the FPM circuit, indicating this failure was detected. The PCM sets the DTC when the message is received.

More Information

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