PINPOINT TEST AD: Powertrain Control Module (PCM) Reset: Introduction

2007 Ford Pickup F350 Super Duty, 4D Pickup, 6.0 P, 4WD, AutomaticSECTION Introduction
NOTE: The PCM reset occurs when the PCM momentarily reboots or is turned off and on while the engine is operating. If the condition occurs a single time, the engine momentarily stumbles and the PCM goes through a normal key on cycle, including turning the glow plug lamp and glow plugs on, and attempts to validate the accelerator pedal position. If the pedal is not at the idle position when this concern occurs, pedal authority is not allowed by the PCM until the accelerator pedal is released and the engine returns to idle.

This pinpoint test is intended to diagnose the following:

  • loose, damaged or corroded connections
  • harness circuits: VPWR and PWRGND
Fig 1: Powertrain Control Module Connector Terminals
GF0001647
Pin Circuit
B10, B11, B23 PWRGND (Power Ground)
B34, B46 VPWR (Vehicle Power)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
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