Motor Vehicle Maintenance and Repair Stack Exchange
Motor Vehicle Maintenance and Repair Stack Exchange

Questions tagged [electronic-control-module]

286 questions
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2 answers

Are there plug-n-play ECUs?

I was just curious if there is such a thing as aftermarket plug-n-play ECUs that are compatible with a vehicle (have all the features the OEM ECU does) but also have some extra ones, such as maybe sharing the vehicle statistics (or all activity) via…
amphibient
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1 answer

Will ECU with slightly different part number work for my 2001 Toyota Camry?

I would like to replace ECU of my 2001 Toyota Camry (1MZ engine) because it has very high fuel consumption. The part number of current ECU is 89661-33880. I couldn't find an ECU with the exact same part number in my area, so I'm considering to put…
Mike
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5 answers

Gonna remove my Cat...issues with the ECU ?

The Cat. Converter on my 2005 Ford Territory SUV (245 cubic inch Twin Cam 6 Cyl)Australian Model is stuffed and I'm removing it (they cost the National Debt )....I know I can be arrested / fined a million dollars and possibly executed here for doing…
Hopeless
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1 answer

Why buy an ECU with the highest version alphabet?

There is very little information online about the advantages of purchasing an ECU with the highest version alphabet - which means the most upgraded version. My question is - what kind of benefits come to the purchaser? Are they noticeable? Or are…
ElectronicsNewbie
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2
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1 answer

engine will not start - suspect immobiliser

This is my first post on this site. It looks good and the site has a good feel to it so I have some high hopes! So, I have a 2005 OPEL corsa 3 cyl. and one day it just stopped. I will not bore you with ALL the things I have tried so far - but here…
geoff
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1 answer

Multiple sensor returns on same wire

How does a PCM (Powertrain Control Module), a.k.a. ECM, know which sensor is which when multiple sensors' return signal is on the same wire? I have a 2004 F150 wiring diagrams manual and am perplexed to see that the signal return from multiple…
john gleason
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If I change ecu and ignition with the keys wil engine start or will need coding or change pump.ldv van with transit engine ECU and immobiliser

If I change ECU and ignition with keys will engine start or will need coding or change and fuel pump . it's ldv convoy 2004 with transit engine ECU and immobiliser
Eugenijus
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1 answer

I replaced the PCM with one programmed to my vin but won't run

I ordered a preprogrammed to the vin# PCM for my 03 GMC Sonoma SLS after I installed it my truck will turn over but won't run, I haven't seen a padlock on the dash but the security light above the rpm tac and speedometer stayed on, so I went through…
Nate
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Used preprogrammed ECM

Bought a refurbished ECM pre programmed to my Vin number Bottom vehicle a year ago used used and have had trouble with engine light and limp mode in the last 6 months 6 months we have replaced about 10 different things because it keeps throwing…
Rebecca Lynn Hogland
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06 dodge dakota melted a ignition coil now getting pcm codes an truck wont start but sounds like it wants to

I melted a ignition coil now I'm getting pcm codes truck wont start but tries it's best
chris Swim
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4 answers

Can the original ECU be replaced with other ECU codes on the same vehicle?

Here is the original ECU of the car, but I have a question whether it can be replaced by another ECU with the same MEG code 17.9.12.1 but different from the 39110-04006 line (by uploading the original firmware of the ECU head for replacement ECU). …
Xdiagprovn
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1 answer

Mahindra Scorpio ECU problem

I am facing problem while displaying metrics on my Android phone, i have this Bluetooth Module and using torque (Lite) app from Play Store. Device is connecting to the phone quickly, but it's taking much time to connect with the ECU. I have to…
Mudassir Hussain
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0
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1 answer

how to minimally connect MT-05 so that the LIN communication works

I have an MT05 (DELPHI-II) on the my desk. I tried to communicate with him via LIN, but he didn't answer. I provide the following links: ground, power, ignition and LIN (image below). When I connect the same MT-05 to a Kawasaki engine (two…
NikB
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How to find schematics of a PCB?

I have the following ECU Accent 2012 1.4L, 4-Cyl, 4-speed transmission board in the picture, I have searched for the information written on this product but couldn't find any schematics. Is there a way to extract the schematics of a board or a…
John Sall
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2 answers

Elm327 an app control

Is there a Android App that's used with the elm327 tool to slightly advance timing on cars? I know many can read it but I'm looking for the ones that slightly can raise or lower it.
A Smith
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