Symptoms of a Bad ECM (Engine Control Module Failure)

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.

[GangstaRapLyfe]

People typically forget to check the PCM relay sometimes if that goes bad it can cause people to think the actual PCM is going bad when it’s just a relay burned out always checked the fuse first

[RIPBLIZZ]

MAN THAT’S CRAZY HOW ALL THESE NEWER CARS HAVE SO MANY ISSUES…. 😳😳😳😳

YET AN OL SCHOOL CLASSIC WILL DRIVE FOR DECADES OFF AN OIL CHANGE, TUNE UP, BRAKES, BATTERY, TIRES, & A TRANS FLUSH ONCE A YEAR, THAT’S IT!

[Jlwsilence]

I have a 06 Buick rendezvous. I’m getting code p0404. I’ve changed the egr valve, cleaned the manifold, changed the wire connector and cleaned the tube out and the check engine light still comes back with the same code. Sometimes it’ll go off for a few days then come back on. Could this be a failing ecm?

[PaulSmallwood-rprm]

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

[omarfen]

I have a 2013 nissan latio it usto have stalling and limp mode, eventually it stall and can’t start back when the ignition turn on the cooling fan comes on car crank but no start.when the mechanic scan it the ecu is not communicating and he said its popping the fuse so they are gonna change the bcm and if the problem still accure they go a head and change the ecu…. what you think?

[thepawanderer]

Hello I got a 05 accord lx 2.4. I recently changed the cat both 02 sensors and the engine control module relay then reset the coads took a couple times but they went away that was couple months ago. Till today I was driving and my dash lights came on gas gage droped not the bank 1 o2 sensor and cat coad and p0685 coad is back and check engine light on again. Other than that car rund great. O and radio sometimes works sometimes it doesn't, could it be a bad alternator or what

[davidsuarez]

Hi I have a 2016 Hyundai accent. At first is was draining the batteries, due to the tail lights staying on after the car was turned off. I replaced the battery and that issue was solved. Well know a engine code can on p0445 I tried a smoke machine but didn't find anything. I also changed the check valve. But I have noticed that the electric throttle body is getting power after I turn the car off. I've checked the fuses checked connections. And I've disconnected the battery for more than 10-20 minutes but the check engine light is still on and won't reset. Hope you can help

[joelbarros]

Can a pcm pop up a check battery system?

[akashhussain]

I have a 2006 BMW 1 Series 116i, and the engine light keeps coming on and off, but it's on most of the time. When the light is on, the car goes into limp mode, meaning it accelerates very slowly. I'm not sure if the issue could be with the ECU.

The mechanic told me it was the throttle body, so I had it replaced. After that, he said it was the mass air flow (MAF) sensor, so I had that changed as well, but it still didn't fix the issue. Now he's saying that the ECU might need replacing.

Could it really be the ECU? What do you guys think?

[Big_EmDee]

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.

[lr.]

My ecu overheating. What could be problem?

[robertogonzalez]

HELP PLEASE, , , , I had my 2004 Avalanche transmission repaired twice, it's still bad, 1st and 4th speed don't work, the mechanic says I need a new ECM, could this be possible?

[JayCutty]

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

[ginoasci]

Is it possible that the ECU can cause an engine knocking just during warm up.
Yes or no ?

[ederduarte]

Can a bad pcm affect the throttle body?

[michelewebb]

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

[susanbischoff]

Interesting you said RPM fluctuations at idle. My fluctuations happen while accelerating with a "warm" engine. Once I'm up to speed all is well. (No, its not the transmission.) No RPM fluctuations during first drive of the day. Have you heard of this? I'm at my wits end.

[j.]

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

[JusticeAlways]

New cars simply have too much electronic crap. I have 2 1997 Isuzu Rodeos that run just fine.
I will never buy a new car.