How do you reset the computer on a Ford F-150?

How do you reset the computer on a Ford F-150?

Loosen the lock nut located on the negative battery cable connector with a socket and ratchet. Pull the connector off the negative battery terminal. Wait for 20 minutes while the PCM bleeds off the electricity it stores for backup power. Once the power drains from the PCM, it resets.

What can cause a Ford F-150 not to start?

The most common reasons a Ford F-150 won’t start are a dead battery, an alternator problem, or failed starter.

How do you reset the computer on a Ford truck?

Answer provided by

  1. Start by turning off your car and disconnecting both battery cables.
  2. From there, get into the driver’s seat and turn the ignition to the Accessory position.
  3. Leave it in the Accessory position for 20-30 minutes.
  4. Then, remove your key and reconnect the battery cables.

Why is my Ford F-150 clicking but not starting?

The cause is usually a dead battery. You could also try turning the steering wheel from side to side, then starting it again. Also, check the battery terminal connections. It could also be a bad ignition system, bad solenoid, starter failure, or engine timing.

How do you reset the computer on a 2019 F150?

2019 PCM Reset

  1. Remove negative battery cable.
  2. Turn in headlights to drain the remaining power for 30 minutes.
  3. Connect negative battery cable.
  4. Turn ignition key to accessory for 10 minutes.
  5. Start truck and let idle for 5 minutes.
  6. Drive truck ‘non aggressively’ to learn shifting.

Where is the computer module on a Ford F-150?

Most of the newer F-150s have the PCM located behind the driver’s kick panel with the connector protruding through the firewall.

How do I get my Ford F-150 out of theft mode?


  1. Insert the key into the driver’s side door lock.
  2. Turn the key once, but not all the way to unlock the door. Leave the key in this position for 40-60 seconds.
  3. Do this again, but turn the key in the opposite direction.
  4. Remove the key from the door, get into your Ford, and start the engine. The system should be reset.

How do I know if my starter is bad on my f150?

Symptoms of a Bad Starter on a Ford Truck

  1. Click. When the ignition key is turned to the start position and nothing occurs except a rather loud and heavy-sounding click noise, the starter may be seized up.
  2. Motor Without Engine. The gear in the nose of a starter is known as a bendix.
  3. Grind Aftershock.
  4. Lock Up.