What are the symptoms of a bad control module?

What are the symptoms of a bad control module?

Symptoms of a Bad or Failing Engine Control Module (ECM)

• Check Engine Light Turns On.
• Engine Stalling or Misfiring.
• Engine Performance Issues.
• Car Not Starting.
• Poor Fuel Economy.

Where is the ECM located on a 2000 Chevy Blazer?

It should be on the coolant overflow bottle in the engine compartment.

Where is the body control module located on a 2001 Chevy Blazer?

The body control module is located under the center hush panel of the dashboard. Under the ash tray, above the center console. The electrical connectors plug in from the driver’s side.

Can you drive with a bad ECM?

It isn’t recommended to drive with a faulty ECU, but it is possible to keep driving the vehicle. The longer you run with the deteriorating ECU, the more issues you’re going to run into when it’s time to bring it to the shop.

How do you diagnose a bad ECM?

The Most Common ECM Failure Symptoms

1. Your ‘Check Engine’ Light Is On. Your car’s check engine light is a sort of catch-all that many people ignore.
2. Your Car Won’t Start.
3. Your Engine Stutters or Misfires.
4. Sudden Drop in Fuel Economy.
5. Sudden Loss of Acceleration.
6. Your Engine Shuts Off for No Reason.
7. Rough or Irregular Shifting.

Where is the ECM located on a 2002 Chevy Blazer?

RE: ECM location Unless someone moved it, it should be behind the passengers side kick panel. SInce its not there, follow the wiring harness. Look for a big bundle of wires running inside the cab, usually on the passengers side of the firewall.

Where is a BCM module?

The body control module location can differ from one car to another but, in most cases, you can locate the BCM under the dashboard. Check your firewall and look into the right side of the steering wheel column to find it.

Where is the BCM located on a 2003 Chevy Trailblazer?

The BCM is located in front of the rear fuseblock under the left side of the rear seats.

How many miles do Chevy Blazers last?

Here’s the short answer to how long the Chevrolet Blazer lasts: A Chevrolet Blazer should last at least 200,000 miles if you maintain it properly and drive it gently. If you average 15,000 miles per year, you can expect a Blazer to serve you for 13 or more years before the vehicle requires major repairs.

Do Chevy Blazers have transmission problems?

2021 Chevrolet Blazer transmission problems can show up as shifting delays, jumping or grinding during acceleration, the car shaking on the road, or whistling noises and a burning smell coming from under the hood.