What does the BCM Control 2003 Silverado?

The BCM is responsible for energizing the door lock relay. The door lock relay will be energized whenever the BCM receives a command from any of the door lock/unlock switch or a input from the remote control door lock transmitter.

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 $501 and $567. Labor costs are estimated between $122 and $153 while parts are priced between $379 and $414.

How do you reset the ECM on a 2003 Chevy Silverado?

Turn the headlight switch to the “On” position to drain the ECM of any remaining power. Wait at least 10 minutes, then turn it back to the “Off” position. Replace the negative battery cable by reversing the previous steps. Tighten the nut until it feels secure, paying attention not to overtighten it.

Can a BCM be reset?

To complete the body control module reset, you will have to reconnect the battery. This reestablishes the electrical supply through the BCM as well as other electrical peripherals of the vehicle. Once the battery is reconnected, check if the problems that made you perform the body control reset have been rectified.

Where is the ECM located on a 2003 Chevy Silverado?

Under the hood. It hangs off of the battery tray, near the radiator.

How do I get my truck out of theft mode?

Look for a button that allows you to slide the physical key out of the fob. Step 2: Turn the vehicle key to unlock the car door without releasing it. Hold the key for 30 seconds in this position. This will signal to your car’s system that you have the right key, and will enable you to bypass your car’s alarm system.

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 does an ECU reset do?

“Resetting the ECU” is the process of clearing all the long term memory from the ECU’s memory. These variables trim idle speed, fuel, spark, and more. The ECU will also store trouble codes for diagnostic capability.