How do you reset the PCM on a Ford f150?
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 is the PCM on a Ford f150?
The PCM is the brain of your F-150. It is the central computer that controls everything, which includes the charging system, transmission, various emission controls, and communications.
Where is the PCM relay on a 2002 Ford f150?
If you look at at the section for the battery junction box, you’ll see that the PCM Power relay is relay #304 in the under hood fuse box.
Where is the PCM relay on a 2001 Ford f150?
The PCM is located under the dash behind the passenger side kick panel.
What happens if my PCM goes bad?
A failed PCM or TCM can cause the car to get stuck in gear, which can be a serious safety issue. It can also lead to costly transmission damage.
What is the PCM in a Ford F-150?
The PCM is the brain of your F-150. It is the central computer that controls everything, which includes the charging system, transmission, various emission controls, and communications.
When to replace a Powertrain Control Module ( PCM )?
Signs of PCM failure may include engine light turning on, truck not starting, engine stalling while driving, or poor engine performance. Due to the complexity and cost of this item, only replace the module after doing some research and eliminating other possible causes.
What are the signs of a PCM failure?
It is the central computer that controls everything, which includes the charging system, transmission, various emission controls, and communications. Signs of PCM failure may include engine light turning on, truck not starting, engine stalling while driving, or poor engine performance.
Where do I find the PCM number on my truck?
Open your hood, locate the PCM, and record the numbers written on it. Figure 4. PCM number. Research the PCM from the numbers on the module based on the vehicle model, year, drive train components, and engine. Any auto store will let you enter the number to ensure you are buying the right one for your truck. Figure 5. Install new PCM module.