Symptoms of a Bad ECM (Engine Control Module Failure)

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Symptoms of a Bad ECM (Engine Control Module Failure).
In this video I will walk you through the signs of a bad ECM also known as ECU.
If you're experiencing issues with your vehicle and suspect it might be related to the Engine Control Module (ECM) or Powertrain Control Module (PCM), you're in the right place.
In this video, we dive deep into the world of ECMs and PCMs, exploring the crucial roles they play in your vehicle's functioning. We'll cover everything from basic definitions to advanced diagnostic techniques, ensuring you have a thorough understanding of these essential components.
🔍 Search Terms and Questions Related to Bad ECM:
Symptoms of a bad ECM
Signs of a bad ECM
Differences between ECM and PCM
Understanding what an ECM and a PCM are
ECM vs PCM
Engine Control Module and Powertrain Control Module explained
PCM replacement procedures
Engine Control Module symptoms and failure signs
Car ECM basics
PCM in cars
The purpose and functioning of ECM
Engine Control Module replacement guide
How to check a car computer
ECU testing methods
Powertrain Control Module symptoms
Understanding ECU, PCM, ECM bad symptoms
ECM diagnosis
How does an ECM work?
What is the purpose of an Engine Control Module?
How to diagnose an ECM effectively
We'll also address some of the common error codes associated with ECM/ECU issues, such as P0600, P0601, P0602, P0603, P0604, and P0605, explaining what they mean and how they can guide your diagnostics.
#enginecontrolmodule #ECM
Disclaimer: This content is for educational purposes and should not replace professional advice. As an experienced mechanic, I aim to provide helpful insights, but I'm not liable for any damage or issues arising from the application of this information. Always consult a qualified mechanic for specific vehicle needs. Viewer discretion and responsibility are advised.
Whether you're a car enthusiast, a DIYer, or just someone trying to understand what's going on with your vehicle, this video will provide valuable insights. We'll walk you through step-by-step processes to identify ECM-related issues and discuss when it's time to consider a replacement.

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31 дек 2023

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Комментарии : 14

@JayCutty762 3 месяца назад

i have a 2005 pontiac grand prix gxp and i just order a new ECM. Will i have to get my car retuned ?

@HonestMechanicChannel 2 месяца назад

Hi, Can you please clarify a bit so I can give an informed answer

@mikedicus2652 20 дней назад

I have a 2013 Ram 1500 hemi. Im thinking i have a bad PCM. Constant dinging, check engine light random low voltage at times, and now every once in a while it wont run above 1500 or so rpms, and it takes minutes to get up to speed. Flashes bad abs, traction control, trailer brake system and check shifter. The other day my whole instrument panel went out, including the entertainment center, when it came back up it said "no bus". All that said, is there tests to run on the PCM to make sure its bad? Ive checked all grounds, and connections, and battery voltage and all seem ok.

@anthonybonilla8902 17 дней назад

Canbus connections Under seats it’s a clip

@PaulSmallwood-rp8rm Месяц назад

hello i have a 2012 chevy malibu it will shut down without any warning at any speed will not start back unless you remove the battery cable and leave it off for a minute or so any help would be greatly appreciated

@HonestMechanicChannel Месяц назад

Hello! The issue with your 2012 Chevy Malibu shutting down unexpectedly and requiring a battery reset to restart sounds quite concerning. Here are some possible causes and steps you can take to troubleshoot and potentially resolve the problem: Electrical System Issues: This behavior might indicate a problem with the vehicle's electrical system. A poor connection or faulty battery terminal could cause intermittent power issues. Check the battery terminals for corrosion or looseness, and ensure the battery itself is in good condition. Ignition System: Problems in the ignition system, such as a failing ignition switch or issues with the ignition relay, can cause sudden shutdowns. These components might need testing or replacement. Engine Control Unit (ECU) Reset: The fact that removing the battery cable temporarily fixes the issue suggests that the ECU may be experiencing faults or errors that are cleared with a reset. This could be due to a software glitch or faulty ECU hardware. Let me know if you found the issue

@michelewebb874 Месяц назад

I have a 2002 Monte Carlo. I'm pretty sure that its the ECM. But where is it located?

@NIGHT-tj7ks 8 дней назад

Air filter box maybe

@chintanagrawal007 3 месяца назад

Can it affect the ABS?

@HonestMechanicChannel 3 месяца назад

Yes, a faulty Engine Control Module (ECM) can affect the Anti-lock Braking System (ABS). The ECM's role in processing data and communicating with the ABS control module means that communication errors or incorrect data processing due to ECM issues can hinder ABS operation. Additionally, ECM problems can trigger unrelated fault codes, affect electrical power distribution, and compromise integrated safety systems, including the ABS. Diagnosing such problems accurately is crucial, as ECM-related symptoms can resemble other issues. A qualified mechanic may need to reprogram or replace the ECM to resolve these issues and ensure proper ABS function.

@j.2391 2 месяца назад

Hey man so look i have a 2010 chevy malibu im having issues with my coolant temperature sensor at first i replace it my self and it worked but only last me like 2 days i decided to take it to a shop they look at it and they say it was a wiring issue so they replaced the wires and it works car was starting and ac was working then 3 days later the temperature gauge stop working and it was difficult to start so i took it back to the shop they replaced the thermostat and then the car started working ac was good etc now yesterday in the morning i was driving and again the temperature gauge dropped and the ac stop working so what could it be man? I replaced the sensor the thermostat the wires what could be causing this 😢😢😢 help me out man

@HonestMechanicChannel 2 месяца назад

Hi. The recurring issue with the coolant temperature sensor, despite replacing the sensor, wiring, and thermostat, suggests there might be a problem with the PCM (Powertrain Control Module) or an intermittent short circuit in the wiring harness. A faulty PCM can cause erratic readings and improper operation of the temperature gauge and AC. An intermittent short circuit can also cause similar symptoms. At this point, it's best to have a professional mechanic perform a thorough diagnostic of the vehicle's electrical system, including the PCM, to identify and resolve the root cause of the problem.

@ederduarte2187 29 дней назад

Can a bad pcm affect the throttle body?

@HonestMechanicChannel 29 дней назад

Hi there, Yes, a bad PCM (Powertrain Control Module) can affect the throttle body. The PCM controls the throttle body's operations in modern vehicles with electronic throttle control, so any malfunction in the PCM can lead to issues with throttle response and engine performance.