How Much Does It Cost To Replace An ECM In A Car??

The average cost for an engine control module (ECM) replacement is between $904 and $988.

Labor costs are estimated between $79 and $101 while parts are priced between $825 and $887.

Estimate does not include taxes and fees.

What are the symptoms of a bad ECM on a car?

A bad or failing ECM may produce any of the following 5 symptoms to alert the driver of a potential problem.

  • Check Engine Light Turns On. An illuminated Check Engine Light is one possible symptom of a problem with the ECM.
  • Engine Stalling or Misfiring.
  • Engine Performance Issues.
  • Car Not Starting.
  • Poor Fuel Economy.

Can ECM be repaired?

First off, don’t confuse replacing an ECM with repairing one. The end result might be the same — you can drive your car again, after all — but engine control modules and units do sometimes go bad, and they aren’t really designed to be repaired — at least, not by the owner or by an average mechanic.

Where is the ECM in a car?

Common Locations for a PCM, ECM, or TCM

To help you out, here are some examples of where the ECM is located on a few different makes and models: 2001 Dodge Ram 1500 SLT – The engine control module or, in this case, the powertrain control module (PCM) is located in the engine compartment, on right side of firewall.

How do I change the ECM in my car?

How to Replace an ECM

  1. Open the engine compartment to access the battery.
  2. Locate the ECM either in the engine compartment or under one of the front seats in the vehicle.
  3. Disconnect the electrical supply by lifting the locking tab and pulling away from the computer.
  4. Unbolt the screws holding the ECM in place with a socket wrench.

How long does an ECM last?

Although the ECM power relay is meant to last the entire lifetime of your vehicle, sometimes it can still fail. If it does, it’s usually due to moisture issues or a power distribution issue. You won’t be able to leave the part as is since your vehicle needs the ECM power relay in order to run.

What makes an ECM go bad?

Corrosion or damage due to moisture is one of the main reasons for ECM failure. Corrosion can enter the ECM through the wiring harness and moisture can enter by a failure in the seals in the ECM itself. This happens over a period of time (5 to 10 years) due to the ECMs exposure to the elements.

How do I know if my ECM relay is bad?

Symptoms of a Bad or Failing ECM-Power Relay

  • No power when the key is inserted. One of the first symptoms of a problem with the ECM power relay is no power when the key is inserted.
  • Engine will not start. Another common symptom of a problem with the ECM power relay is an engine that will not start or turn over.
  • Battery drain or dead battery.

Can a bad ECM drain the battery?

A failed ECM power relay can also cause a battery drain or dead battery. If the relay shorts it can leave power on to the computer, even when the vehicle is turned off. This will place a parasitic drain on the battery, which will eventually cause it to go dead.