Questions tagged [electronic-control-module]
The electronic-control-module tag has no usage guidance.
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VIN Programming for new ECU on 2010 Jeep Wrangler 3.8l w/ Manual Transmission
I've run into an issue with a 2010 Jeep Wrangler.
We've recently replace the ECU with a brand new one from the dealer and unfortunately, it was not pre-programmed for the vehicles VIN. All local ...
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How to find the typical ranges for sensor values?
I've recently got an OBD scanner and have found some of the live data streams to be very useful, I was monitoring the timing advance value and observed it fluctuating at idle by 10 deg or so the range ...
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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 ...
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ABS ECU command while bleeding brakes
My OEM scanner gives me the option to command the ABS system to do something important while bleeding brakes.
In the past (before I owned this scanner) I seemed able to bleed the brakes fine on the ...
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2012 dodge charger 5.7 automatic
Installed new ecm and pcm already flashed by seller. Dash displays message "press clutch and press start button to start " car is automatic. No crank u0100
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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
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Charging car battery with charger without disconnecting from car
Got a Toyota Corolla E170 and it is only used for highway travels twice a month. Car has a tracker installed as well.
I want to give the battery (lead acid 46AH) a top up using battery charger (10A) ...
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I have a 2000 Jetta 1.8t. can I use a computer from a 2018 Jetta 1.8 t? And if so are the tunes different?
I have a 2000 Volkswagen Jetta 1.8T can I use a computer out of a 2018 Jetta same motor if so what are the advantages or disadvantages?
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I bought a used ECM off eBay for my vehicle. Same year, engine, options everything as mine. Do I still need to have it flashed to my car?
I bought an ECM off eBay for my 2004 Durango, donor vehicle is the same year, same engine (5.7), same tire size, same submodel. I think the only difference is the mileage, Do I still need to have it ...
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2001 Manual Mercedes C220 CDI - ECU replacement
Well bring a really typical blond I switched the jumper leads onto the wrong terminals on the battery.Red to black and Visa Versa. I blew up the on board computer.
Hence I blew up the ECU. I really ...
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ECU update rate?
('07 Cobalt LS, 2.2L Ecotec)
Using an OBDlink SX USB adapter and their OBDwiz app on an old laptop, I get the chart below. Engine is at steady (800 rpm?) idle, closed-loop. The displayed data has ...
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Why is knock sensor tripping "check engine" light but only on warm-up (10 min/1 mi)
2011 Honda Pilot 4WD shows P0325 code but only until the car warms up (10 mins/1 mile). Reset with OBDII the code does NOT come back on. 87 octane gas from many stations in a 50 mile radius. Code does ...
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Check beforehand if will pass emissions test?
How can I check, using an Bluetooth ELM327 OBD-II dongle, whether my car will pass an emissions test?
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Can an ELM327 adapter be used to flash a VIN?
Can a Bluetooth ELM327 adapter be used to flash a VIN?
It's claimed here that
The vin number is about the only thing in the PCM that's not a protected value.
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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 ...
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Original Ecu swap back into my car with correct VIN
I have a 2015 Ford fiesta SE. I purchase a ECU online which I had to give my VIN# for programming. When I receive ECU in mail install I'm my car,car didn't start so I had locksmith to program my key ...
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No voltage between ECU GND and 5V
I had a short circuit problem with my car because of a faulty fuse and some of the engine harness wires melted together. I repaired the harness the engine starts normally but I am getting Signal high ...
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How to deactivate hacking of my ECU and an additional tracker that's placed without my consent
My fear / opinion is that my vehicle's ECU has been hacked. I'm worried about going full speed and someone suddenly stops my vehicle remotely with their installed immobilizer.
I'm aware vehicles have ...
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Ford F150 2009 will not start!! (Has power)
Last update: we got our truck back and it was that someone who had checked about the lights "accidently" changed fuses out of place and some went missing. It works now.
Update 2: We gave up ...
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Ways to log data on Suzuki GSXR600-R Engine
I am working on a university project where we are building a race car with a Suzuki GSXR600-R Engine and ECU. I am wondering if there is any options for how i am able to record data off of this onto a ...
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2010 Dodge Avenger : Battery light coming on, battery discharging
The patient is a 2010 Dodge Avenger R/T with the Federal-spec 2.4L I4/4 speed automatic. It has ~117K miles.
My son's original complaint was that the battery light had come on while driving to an ...
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Used preprogrammed ECM [closed]
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 ...
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Skoda Fabia AC not cooling after 35-40 minutes
My 2008 Petrol skoda fabia does not cool after 35-40 minutes. The Ac blows out air but it's not cool.
Last year I had changed the compressor and condenser and the problem started since then.
Earlier ...
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ECU leaks current
Im the proud owner of an ER-6F from 2009.
I just tested my bike for leaking current and noticed it did. When pulling the fuses I found the ECU to be the culprit. I assume this is not normal. What do i ...
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Does OBD-II have any means for reporting current oil pressure?
I recently had the low oil pressure warning light come on in my car. After letting the engine cool down, the warning was gone and I was able to drive home (which was just a few km) with no issues. I ...
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Understanding the Voltage coming into an Evap Purge Solenoid
I am trying to understand how the evap purge solenoid is controlled by the ECM. In my case we are talking a 2011 Wrangler JK, but I believe the system works similarly in many other vehicles.
I ...
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395
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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 ...
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Can i use old ecu on replacement enigine with same model number
so basically head gasket went in my zafira, engine number z16xep. After all the damage to pistons and cylinder etc it is cheaper to get replacement engine.. that's what I did. Its the same 1.6 twin ...
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Can't find replacement ECU/ECM
I recently had some water damage to my 2016 Hyundai I-30 ECM and now I need a replacement, however I'm unable to find the exact Part using the part number. My part no. is 39127-2b693 but no luck ...
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Chip tuning simultaneously decreasing fuel consumption and increasing performance
Recently, I came across the webpage of a tuning shop where the shop claims that by doing chip tuning they can simultaneously achieve superior performance and less fuel consumption (based on how they ...
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What OBD tool I can use to retard/advance ignition timing? I like to experiment on GM Suburban to burn hydrogen instead of gas
I know Hydrogen burns much faster, so in order to use this fuel in a modern car, the ignition timing tables must be modified. Is it possible to modify the timing so the ignition happens after tdc or ...
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Engine overheating while temp gauge is normal, malfunction ECU due reverse battery connection
A week ago my 2.4L 2009 sonata started transmission shifting problems and the mechanics told me replace the transmission fluid. The mechanics removed the battery and and started flushing transmission ...
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'00 Malibu no crank replaced ignition completely now worse. Help!
2000 3.1 V6 Malibu – I cannot get the engine to crank. What I have done in the last 2 months;
Replaced the battery – tests @ 12.98V cables off, 12.78V cables on, 12.58V with key in (KOEO) position
...
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Do monster Truck Engines have an ECU/ECM
so I was designing a body for the CRD Monstertruck mod for BeamNG.Drive,
(so I could design the body within the game before making it IRL)
and when considering the engine (I'm coding the JBeam file ...
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What are all the relays and circuitry on the fuse box of a modern car for? [closed]
I have a Peugeot comfort teepee that seems to be going senile and all the faults lead to the fuse box. It started with permanently on reverse lights. Intermittent windscreen wiper and headlights etc.
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(2010 Chevy Malibu 2.4) No crank/No start; only 7.6 volts to pcm
Hello everyone I’ve recently purchased this car for a great price, the last owner I believe tried to repair it himself and gave up.
I’ve found a post on here very very similar to mine found here
I’ve ...
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Dodge Grand Caravan Won't Turn Over
I have a Dodge Grand Caravan 2001 that was having running rough and the exhaust smelled like raw gas. I replaced some sensors and that didn't work so I decided to replace the ECU. I got a new ECU from ...
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Mitsubishi mirage Code P1590 A/T torque reduction req. comm
The check engine light on my mitsubishi mirage is on and upon scanning the codes, I am getting the following codes:
U0131 EPS CAN timeout
U0101 T/M CAN timeout
U0121 ABS/ASC CAN timeout
P1590 A/T ...
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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 ...
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I wanted to change my ecu, will buy used ecu and reprogram on my mercedes c180 w205
I wanted to change my ecu, will buy used ecu and reprogram on my mercedes c180 w205 is that possible? How do I go about it
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Subaru Forester - petrol coming out unlit in bursts out exhaust. Ideas on what could cause it?
I've got a Subaru Forester '02 2.5L that I push kind of hard off road on New Zealand beaches.
I had a near dead battery recently so bought a new one but on replacing it I must have wiped the ECU ...
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What are the factors that rev hang depend on? Does rev hand depend on the engine load?
I know that rev hangs are intentionally introduced to modern vehicles that operate on electronic throttle bodies, by programming the ecu to close the throttle valve slowly (in gasoline engines) even ...
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Does car ECU subtract atmospheric pressure from MAP reading
In calculation of MAF (g/sec), Does the ECU subtract local atmospheric pressure (baro sensor reading) from Manifold Absolute Pressure (MAP sensor reading) to determine the actual air mass entering the ...
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How to open Ford PCM
I have a 2008 Sport Trac with a dying PCM whose symptoms overwhelmingly suggest that it has one or more bad electrolytic capacitors. It's likely to be an easy repair... assuming I can figure out how ...
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Turboing a 4B11
I own a 2015 base model lancer with the 4b11 and I want to turbo it so I’m going to get another 4b11 and put all my mods on it and when it’s done pull my stock engine and put the built one in my ...
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ECU after engine swap
I have a 2005 wrx, previous owner engine swapped it to the STI short block (EJ257) so now it’s a 2.5 instead of a 2.0, i’m trying to buy an accessport for it, but i don’t know which one to get because ...
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What kinds of tuning can ruin a car's ability to pass emissions testing?
Suppose I want to tune a car for performance, like doing an ECU re-map for a Toyota Supra.
Could this affect the car's ability to pass emissions testing? If so, how?
And in general, what kinds of ...
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One key stopped working on 2007 Honda Odyssey
We bought two new keys for our Honda Odyssey over a year ago, they were cut and programmed at the dealership. Yesterday, one of the keys stopped working, it'll still open the van, turn in the ignition ...
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VW Jetta 2000 ECU swap
I've read the forums and my question isn't answered. I have swapped my 2.0 to 1.6 in my 2000 Jetta still using my 2.0 ecu for the 1.6l engine. Is it safe? How will the fuel economy be and any effects?
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How to find out if your ECU has been reflashed?
Vehicle
2010 Audi A4 Quattro, 2.0L TFSI engine, automatic transmission, 180,000 km.
Recent History
Friend bought this car used 2 months ago from a private party. The check engine light comes on with a ...
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