Signs & Symptoms of a Failing ECU/ECM! (Engine Control Unit or Engine Control Module)

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In today’s video, Zach dives into the heart of your vehicle's electronic brain - the ECM/ECU/PCM/DME - to shed light on its critical role, common symptoms of failure, underlying causes, and effective fixes. Whether you're a seasoned mechanic or a curious car owner, this video will hopefully equip you with the knowledge needed to diagnose and address ECM-related issues, ensuring optimal engine performance and reliability. Commonly referred to as the ECU, or Engine Control Unit, it also goes by many other terms and acronyms: ECM (Engine Control Module), DME (Digital Motor Electronics), or PCM (Powertrain Control Module).
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00:13 - What Does ECU Stand For?
01:19 - What Does a Vehicle’s ECU or ECM Do?
02:38 - Signs & Symptoms of an Engine’s ECU or ECM
05:18 - How to Diagnose a Faulty or Failing ECU or ECM

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Опубликовано:

30 июн 2024

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Комментарии : 34

@clutch5sp989 День назад

I was getting an electrical burnt smell in the car. With an ALT overcharging, this fried many things in the system.

@maherdance4129 7 дней назад

Thank you❤❤❤❤

@8020Media 4 дня назад

M - Thanks for the feedback! Hope it helps.

@monicatheshyone3985 День назад

My 2012 Honda accord was diagnosed with the u1055 code ECM and the lights are popping up for the TCS, ABS and handbrake light. What do I check and have to fix, to get those light to go away? Can I drive, without issues?

@train5640 2 дня назад

What would cause my ac and radio to be able to turn on without key in the ignition? It's a 2008 pt cruiser 😫

@JamesLisbony 2 дня назад

Would my ecm be bad, I have drove 3000 miles and obd reader says some things are not ready for inspection.

@sierraproduction6581 2 месяца назад

I believe my ecu/ecm is failing on my 18’ camaro throwing all those codes and giving a list of faulty sensors. Is it better to replace ecu first rather than going down the list and fixing all the list of codes? Ive replaced a couple of the codes like spark plugs, 2 ignition coils, and has fixed the misfires. now giving oil pressure fault sensor. And still idling rough

@8020Media 2 месяца назад

S - If it was up to us, we would change sensors first as they tend to be cheaper. Keep us updated.

@zanzimez Месяц назад

For some reason the check engine light does not come on at all on my car, I have a ‘77 porsche 924 and it does not come on despite my car misfiring constantly. Cant even accelerate/ step on the gas without it misfiring and the car wants to cut off and is sputtering. Any ideas on what it could be?

@8020Media 25 дней назад

Z - Have you checked for engine codes? This is usually the best place to start for diagnosing.

@goodvrsevil737 7 дней назад

what would cause a fuel pump to shut off, i have a 2006 ford f150 4.6 it starts fine runs for like 2 minutes then idles down and stalls. the on board system tells me to check gauges, everything seems ok. then i try to star it from that point and it just cranks, no start, but if i turn the ign key to off and it will repeat the run and stall, i took the plug off the fuel pump driver module .and jumped the 2 outer wires and it starts and stays running. can not figure what is going on any suggestions!

@8020Media 4 дня назад

G - We have a video specifically on the fuel pump that may help: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-cua6aG2ld9E.html

@ericjimenez6886 2 месяца назад

I recently messed up my truck (2003 Silverado 1500) I connected my light bars positive wire to get power and connected it to my f/pmp relay and while I was doing it my truck shut off and ever since no crank , no start then I moved around the fuses and it starts but the dash doesn’t work and it says low power , when I go to turn off the truck it doesn’t turn off the engine keeps running for a minute then turns off . Any suggestions?

@8020Media 2 месяца назад

E - Are you getting any engine codes?

@ericjimenez6886 3 дня назад

@@8020Media the dash wasn’t working I got my truck back to running good took it to the dealership

@ericjimenez6886 3 дня назад

@@8020Media turns out the reason the truck didn’t want to crank and start was because I put to much pressure in the fuel lines and needed to bleed it out got it back from the dealership running but still electrical problems I checked under the hood and a ground was disconnected from the battery. I plugged it back in and good to go my fault for not noticing the obvious

@d7895482 2 месяца назад

My car engine runs just fine but in the last few years when I’ve gone out to start up it like misfires and the engine light is flashing becomes undrivable. I go inside wait 10 minutes and start it up and it runs just fine. It’s done like three or four times in the last few years.

@8020Media 2 месяца назад

D - Sorry to hear this.. Are you getting any engine codes?

@jerryshadley8977 16 дней назад

Check your spark plug wires/boots for any damage if so replace them, also check your spark plugs for any noticeable damage an if there is replace them. If that doesn't work an ya have one on you use a scanner tool to try and see if any codes shows up.

@8020Media 14 дней назад

J - Thanks for the input here.

@bigbusiness6903 18 дней назад

2012 Ram 2500 ST, Crew Cab 4 Full-Size Doors, Four-Wheel Drive, 5.7L V8 Gas---- where can I order a ECU/ECM

@8020Media 16 дней назад

B - Have you gone to the dealership? If not, there's a ton of resources online.

@bigbusiness6903 16 дней назад

@@8020Mediadealship ? Hell no I know the dealership prices

@8020Media 16 дней назад

B - Could give you an OEM part # was our point here.

@bigbusiness6903 15 дней назад

@@8020Media I’m so unknowingly thinking at the moment 🥹🥹 I’m not 100% sure of which part to buy 🥹🥹 don’t know if it’s the TIPM -FUEL PUMP - OR ECU/ECM

@8020Media 14 дней назад

B - No worries! We hope it gets resolved for you. Keep us updated.

@stevenallanbush4833 27 дней назад

Will this cors the car to over heet

@8020Media 25 дней назад

S - Not likely.

@jerryshadley8977 17 дней назад

no, i'd check your thermostat and coolent temp sensor an depending on vehicle check the radiator fan relays 1st.

@8020Media 16 дней назад

J - Great advice here. Thanks for replying to Steven.

@CarlRichmond 4 дня назад

odb2 what a joke . misfire ... new plugs , wires , distributor , crankshaft sensor , tps, new injector system , 350 bucks in diagnostic fees .2002 blazer 4.3 engine . ecm or ecu ? which shows gm intelligence they couldnt figure out what to call it. great compression great leakdown test . if the ecm/u does not work i might drive it to detroit and park it in gms lobby.

@8020Media 3 дня назад

C - So sorry to hear this..