What is a ECM on a Silverado?
A truck Engine Control Module, or the ECM, is often times referred to as the engine’s “brain”. The ECM is a computer that is attached to the side of the engine with functions such as receiving data from different sources on the truck (input) as well as reporting events or conditions (output).
How much is a PCM for a Chevy Silverado?
Chevrolet Silverado 1500 Powertrain Control Module Replacement Cost Estimate. The average cost for a Chevrolet Silverado 1500 powertrain control module replacement is between $506 and $581. Labor costs are estimated between $121 and $153 while parts are priced between $384 and $428.
Where is the ECM located on a 2003 Chevy Silverado?
Under the hood. It hangs off of the battery tray, near the radiator.
Will ECM cause car not to start?
Car Not Starting A bad ECM may lead to a vehicle that won’t or is difficult to start. If the ECM fails completely, it will leave the vehicle without engine management control, and will not start or run as a result. The engine may still crank, but it will not be able to start without the vital inputs from the computer.
What PCM is in a 2004 Silverado?
This Engine Computer also referred to as an Engine Control Module (ECM), Engine Control Unit (ECU) & Powertrain Control Module (PCM) is a guaranteed replacement for all 2004 Chevrolet Silverado 1500 PCM models with a 5.3L engine size and matching part number 12586242. This module belongs to the hardware code 12583660.
How do I know if my ECM is bad?
Here are some telltale signs that indicate there’s a problem with the ECM:
- Check Engine Light Starts Flashing.
- Stalling or Misfiring Engine.
- Engine Performance Issues.
- Vehicle not starting.
- Poor Fuel Efficiency.
How can I tell if my ECM is bad?
If your engine is misfiring, stalling, or experiencing other performance issues, it may be a sign of a faulty engine control module. Given that the ECM is responsible for making adjustments to your engine, your vehicle may experience drastic changes in fuel efficiency, power, and acceleration.
Is it easy to replace an ECM?
For an ECM replacement, you’ll have to bring in the car to a repair shop where a new ECM has been ordered. Replacing the ECM should be fairly simple because they’re usually placed in the engine bay, which is easy to access. The biggest obstacle with an ECM replacement is the cost.
Where is the PCM in 2004?
The PCM on this particular vehicle is located under the wiper cowl assembly on the passenger side of the engine compartment, where water can collect.
How much does it cost to fix ECM?
between $800 and $1,500
ECM Replacement Cost If you have a professional replace your car’s ECM, you can usually expect to pay somewhere between $800 and $1,500 to get the job done. Of course, the exact cost will depend on various factors, such as the year, make, and model of your vehicle.
What causes an ECM to fail?
Because ECMs are electrical systems, they’re subject to short-circuits, power surges, and other failures that plague electronics. The most common source of ECM failure is in one of the wiring harnesses. If the wires to the transmission or fuel injectors become corroded, they can lose conductivity, leading to a failure.