Questions tagged [electronic-control-module]
The electronic-control-module tag has no usage guidance.
274
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Does a replacement ECU need programming to the car?
I've got a 2004 Toyota Avensis with the 1.8 petrol engine that needed an ECU replacement or repair. I received £700 invoice for the used ECU which I doubt it, the guy was saying something about ...
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Can an undercharged battery cause the van to have trouble keeping a high enough idle to keep running?
So a few weeks ago I accidentally left my keys in my van ('04 Nissan Quest). Not only in the van, but in the ignition in the 'on' position. I didn't realize this until about 10 hours later, long ...
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my subaru's getting no injection signal from ecu
I have a problem starting my Subaru engine ej25. I had my sub wire (hot) hit the body of my car and I think I have spiked my ecu (Motec-m400) and nows its doing all sorts of stuff with my coil packs. ...
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Ecu problem on my 1997 toyota corolla
I have now traced the wire that renders my fuel pump powerless. The wire runs from the ECU to the fuel pump relay. It must carry a - charge in order to work the pump. But unfortunately, it is not ...
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Can a car operate without a catalytic converter?
So I was reading this Quora question which answers in the affirmative, but here's my misgiving: I was under the impression that the oxygen sensor which the ECU uses to adjust the fuel-to-air ratio, is ...
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Uploading a tuning file to my car
I would like to remap my car myself. I will be buying a tuned map from mychiptuningfiles.com for my Ford Focus 1.6 TDCI so I only need to download my stock map and upload the tuned stock map. What ...
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P1633 "KAM Power supply voltage too low"
UK, Jaguar S-type 3litre Petrol 1999.
The Check engine light recently came on in my car. It starts and drives absolutely fine, but to be on the safe side I decided to book the car in to a Mechanic ...
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What does it take to program a used ECU?
I own a Mazda MPV 2000 with a faulty ECU.
The vehicle has an immobilizer.
It will not start with the former ECU.
It floods the engine with fuel.
After extensive diagnostics on the vehicle and the ...
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1
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Hooked jumper cables up wrong. Mechanic says car is unfixable [closed]
I have a 2003 Volkswagon Passat. I left the lights on all day so that the battery was entirely dead. The next day I got a friend to help me jump it. He put the cables on wrong and when we put them on ...
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Why doesn't my 2001 Tiburon have power after grounding the positive post momentarily?
I just replaced my manual trans and when I was hooking everything up I went to go attach my battery connections. I had the body ground hooked up and went to go attach the engine ground to the negative ...
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Can retail OBDII scanners "kill" my car's ECU?
I have a run of the mill OBDII scanner from Amazon. I connect it to my phone's (Android) app, Torque PRO, via Bluetooth.
I have been using it for 22-months. No problems whatsoever. My car never ...
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Does the computer in modern cars record the maximum RPM attained by the engine?
I have a 2013 Maxima and I'm wondering whether its computer would have recorded the highest RPM it has attained in the past.
Is this something all modern cars are able to do? The dealer closest to me ...
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Backtracing: P0606 (PCM fault) to P0716 (Input Speed Sensor) to Faulty Gearbox
I have a question about a problem encountered on my car (Audi A3 2004, 2.0TDI automatic sportback).
I noticed my GSG-DSG 0623 gearbox behaving very oddly, like it does not know when to change gears, ...
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Honda cbr250r ECU question
Can a used ECU from a Honda CBR250R be reprogrammed with different
parameters to increase performance?
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No injectior signals and error codes
On a Hyundai Accent CRDI 3 cylinders, there is no signal on the injectors wires during cranking but if the car is forced to start with other methods the injectors will start getting the signal and ...
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ECM voltage, spark spike
When the car was idling in the garage this morning (hooked up to HP Tuners), I saw a spike on the "Spark" graph at the same time as the car stumbled. "Control Module Voltage" also went from > 14 down ...
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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 ...
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Help tracking down a battery drain issue on a 2007 Vauxhall Corsa
I'm really hoping someone can help track down a battery drain issue with a 2007 Vauxhall Corsa.
We've been back and forth to a Vauxhall garage with this car since we bought it and have had a hell of ...
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ECU/PCM plug pinouts
I'm trying to find out which pins on a Bosch WE0718881B ECU (For a 2007 Mazda BT-50/Ford Ranger) go to the ECT sensor.
I'm been looking for pinouts of the two plugs on the ECU but getting nowhere.
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Can a check engine light reset itself when a scan tool is connected?
I have a Toyota RAV4 2002 4WD.
I was driving to the car wash when suddenly the check engine light come on when I accelerated hard. After the wash, it still was on. I drove home, shut it off, turn it ...
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Changing or disabling vtec switchover RPM in 7th generation Honda Accord
I am considering increasing the VTEC switch-over point in my 2007 Honda Accord. The reason I want to do this is to improve the MPG of the car.
In this question I am ignoring the open loop versus ...
user25009
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Emissions per mile of high MPG lean-burn gas-powered cars versus standard gas-powered cars
I am wondering if there have been studies or calculations of the NOx emissions per mile of high MPG lean-burn gas-powered cars versus standard gas-powered cars.
Honda made some great lean-burn cars ...
user25009
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Faulty EVAP engine code
I had the following engine codes
P1133 - HO2S Insufficient Switching Bank 1 Sensor 1
P0133 - O2 Sensor Circuit Slow Response Bank 1 Sensor 1
P0130 - O2 Sensor Circuit Bank 1 Sensor 1
The mechanics ...
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Replace or Repair Mazda MPV 2000 faulty ECU?
I asked a question about troubleshooting ECU related short circuits.
No more short circuits in the wiring harness, the only short left appears to be inside the ECU.
This leaves me with a faulty ECU. ...
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Vehicle does not start after installing new ECM
My vehicle did not start after I installed a used ECM I bought on Ebay. The vehicle starts fine with my old ECM.
Should I have the used ECM flashed at the dealership or is the used ECM malfunctional? ...
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What do serial numbers on ECM mean?
I am replacing my ECM with an ECM I bought on Ebay.
What do these serial numbers on my ECM mean?
P/N 12580204
Serv. No. 12574270
GM03E10A10 ODP48 10032002
Are these serial numbers software / ...
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Replaced my upstream O2 sensor, still get P1133 code
I had the following error codes
P1133 - HO2S Insufficient Switching Bank 1 Sensor 1
P0133 - O2 Sensor Circuit Slow Response Bank 1 Sensor 1
P0130 - O2 Sensor Circuit Bank 1 Sensor 1
P0442 - EVAP ...
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Difference between P0133 and P1133
What is the difference between P0133 and P1133? I believe my car has thrown both of these error codes because I've written them down, but I can't find any difference by Googling them.
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Cadillac CTS "Traction Control Off" displayed after driving 15 mins
After driving 15 mins the "Traction Control Off" light is displayed on dashboard and radio displays "Service Brake Assist".
All go away after engine is turned off for about 20 mins.
It recently got ...
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Which codes does the front oxygen sensor throw?
I have these three O2 related sensor error codes. Are they all codes for the front 02 sensor (the one in-front of the catalytic converter) ?
P1133 - HO2S Insufficient Switching Bank 1 Sensor 1
P0133 -...
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Unresolvable system leak error codes
I have had my mechanic replace multiple components in my EVAP system trying to resolve the following error codes which occur in no particular order within 24 hours after resetting my memory and cold ...
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Does disconnecting the battery reset on-board memory?
Will disconnecting my car battery reset the on-board memory or do I have to manually erase it to remove error codes?
I ask because I have a faulty electrical system that throws gas leak errors and I ...
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DLC Pinout for SVX ECU
Below is the pinout for a 92 Subaru SVX Engine Control Unit (ECU).
Since the wiring harness is no longer collocated with original car, I have no idea as to what the pinout for the Data Link ...
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Ford DuraTorq TDCi EGR system (Euro4) operation, blanking
Specifically the 2008-on (Euro-4 emissions compliant) 2.2 diesel as fitted to Jaguar X-Type (and Mondeo, Transit, etc.) but I suspect the entire DuraTorq family are the same:
I've seen EGR blanking ...
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Replacing an ECU
i changed the ECU on a Toyota Avensis 2009, it turns on and everything is fine, but the instrument cluster isn't working at all...
It was working perfectly before i replace the ecu?
Any clue why ...
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Can I replace my ignition coil with a ECU?
Can I take the ignition coil out of my 1965 dodge challenger and replace it with a ECU?
If I can, how will I go about doing it?
Can it be a simple replacements?
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Mk4 Astra judders, runs hot p0420 p0170 p1130
I have a Mk4 Astra 1.8 petrol 2002 130k Miles.
When starting the idle speed revs up & down, it judders when driving the first 500metres. Plenty of oil, water was a bit low. During a 2 hour ...
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96 Impreza ECU Pinout
I'm still working on getting this EG33 into a 96 Impreza. I have received some wiring harness diagrams, but am unable to match them to the ECU which is in the car. I'm wondering if what I have are the ...
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Relation of VIN of a car with emission norms of a country it is sold
A VIN of a car determines the country of manufacture. So if a car has a VIN of Canada (CARB emission standard) and is sold in India (BS-IV emission standard), will the car comply with BS-IV standards?
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heat indicator light goes off and ac switches off after some time
I have Hyundai EON. Wwhen I start the car, the heat indicator works fine, but after 20-30 kms, the AC suddenly switches off and the heat indicator light also goes off. What would be the reason?
We ...
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Cannot Access ABS-control-unit with ODB2-adapter
I have an ODB2-Bluetooth-Adapter(link) to access the ODB-Protocol with my android-smartphone.
It is basically working. The app that I use ("Torque") can connect to the ECU, shows me different values ...
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SilLabs OBDscan can't connect to Alfa 147: latency too high!
I have an OBD Scan tools built around the Silicon Labs CP210x chipset, but I can't get it to connect to my car at all.
When I connect the scan tool to my laptop USB port I have a driver installed and ...
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ECU help required [closed]
Can someone provide guidance to me about the engine swap from a D15Z4 to a D16Y4 in my 1997 Honda Civic?
Can I use the old ECU with new engine?
Do I have to buy a new ECU with the new engine?
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Shouldn't my post-cat O2 sensors (lambda probes) be reporting varying numbers?
On my 2002 BMW E46 330Ci, I've been getting error codes 202 Lambda regulating limit Bank1 and 203 Lambda regulating limit Bank2. Here's the angry sensor readings from the INPA software:
I understand ...
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Is a bad AFM (Air Flow Meter) a likely cause for fuel cut at high RPM and poor performance at low RPM?
Edit: I answered my own problem, the solution was the AFM (see full answer below).
This question is for the same engine and the same car as in the following question: Likely cause of poor performance ...
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How to calculate fuel consumption and CO2 emission on flex fuel cars using OBDII data?
Here is the thing: I'm trying to estimate the fuel consumption of cars using OBDII data. It's quite simple if we can treat each fuel and its stoichiometric air fuel ratio separately, but when it turns ...
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Cause of limp mode in Vauxhall Astra which ECU code is relevant?
The engine now runs ok when started cold, but if the weather is very hot or it's started when warm it goes into limp mode, whereby the orange spanner symbol comes on and max acceleration is only 1/3 ...
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Can I replace my ECM in my 2007 Nissan Quest with a used one
My Nissan Quest 2007 has a dead ECM and wonder if I can replace it with a used one. Thanks.
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2003 Honda Accord not responding to accelerator
2003 Honda Accord, a few months ago we started having problems with it. All of a sudden the CEL and traction control light came on with the d4 light blinking. Also it would idle low, shift hard, and ...
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Reading Vehicle Speed Sensor on 2005 Honda Accord from Cruise Control Unit Port
I'm trying to read the Vehicle Speed Sensor (VSS) on my 2005 Honda Accord from the cruise control port (port 14P, located behind the steering wheel)--when the cruise control unit is not attached.
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