Questions tagged [obd-ii]
On-Board Diagnostics-II (OBD-II). Questions usually involve scan tools, their use and their compatibility, as well as how to interpret Diagnostic Trouble Codes (DTCs).
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Can one set idle rpm through a commercial OBD diagnostic tool?
I'm talking about "permanently" setting the engine's ECU to maintain an idle RPM of my choice, say, 1200 or 1500? (by "permanently", I mean something that would be maintained after power cycling)
If ...
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Volkswagen GTI OBDII Readiness
I have a 2015 Volkswagen GTI SE (2.0T) which is (a little over) due for an emissions test.
A few weeks ago I had some rear-end bumper damage repaired, and while in the shop they cleared the trouble ...
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Wireless control of trailer board lights
Is there a (Bluetooth?) OBD module that can transmit to a receiver that remote controls a car trailer board lights ?
I have seen the magnetic bluetooth "stick on lights" that are powered by ...
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Mapping VW DTCs from a scantool to the raw data obtained
I scanned a VW Golf TDI 2015 using a scantool (at a workshop) and it gave the following 2 codes -
Engine module: P0103 - Mass Air Flow (MAF) (G70): Signal too High
Instrument cluster module: ...
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04 Astra TS CDX: traction control light on, then power loss. No codes
This is the Australian model (Holden). Automatic transmission.
About a month ago I was driving normally and the service light and traction control light came on at the same time. Performance didn't ...
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Peugeot 2008 turns off mid-drive and burns huge amounts of oil. What could be the reasons and how to fix?
My Mom bought a used 2017, Peugot 2008 1.2 puretech turbo Gasoline/Benzine Automatic car,
When she drove it before buying she said it drove well, 2 days later the car started to shutdown mid-drive ...
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Decoding OBD scanner live data labels
I am using a cheap OBD scanner with my prehistoric (2004) 2.0 petrol Hyundai Tucson.
When I am viewing the live data, I get some short data labels and some of them I don't understand what they mean. ...
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Where is the injector circuit on a 2007 Toyota Yaris?
I have the PO201 error code which appears randomly every 30Km to 50 Km. The issue sounds possible as the car ran 2000Km with a damaged spark in cylinder 1 before repair.
However, they are no circuits ...
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Unexplained Low LTFT on my Mazda cx7 2.3 turbocharged
So, it started when i got CEL with code p0172: system too rich bank1. I took the car to the mazda dealer, they said you need to replace MAF sensor. I agreed and got the new sensor installed.
Now CEL ...
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Increase volts at OBD port
My fixd scanner only says low voltage. How can I increase the volts at OBD connection my check engine light is on trying to get code.
1999 GMC Sierra 2500 with a 5.3 litre Vortec engine
Scanner ...
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OBD2 scanner for Ford Ranger 4.0 95
I have a 95 4.0 Ranger STX that I just replaced the head gaskets. After a couple of days of driving it afterwards, the dreaded "check engine" light came up. I have de OBD2 port under the ...
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How can I make my ELM327 OBD-II secure?
My ODB-II (ELM327) device has the default PIN of 1234. Is it possible to change this PIN? And how?
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Long cranking, then starts, then Check Engine Light On
I have a 2009 Honda Accord with about 150k miles on it. Over the last couple weeks I noticed the crank time getting slightly longer
then today it took a really long time before turning over and now ...
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OBDII Scanner showing code after the light is gone
My check engine light turned on. I used my OBDII scanner and got back the codes P0441 and P0455, which is sometimes caused by a loose gas cap. I checked my gas cap and it was indeed loose. I tightened ...
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Cannot connect OBD devices to ECU on Toyota vehicles
I have two ODB devices. One is ELM327 Wifi OBD2 and the other one is OBDLink LX Bluetooth.
My problem is that none of the OBDs connect to Toyota cars.
More specifically:
I have tested the two OBD ...
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How difficult is it to collect obd commands ?Will it be different for different brands?
OBD is something very interesting I found these days.Thanks to this repo https://github.com/pires/obd-java-api & wikipedia which provides the basic information of PIDs.But there is a lot of ...
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Can I send a PID using CANBus fornat through an OBD2 bluetooth adapter?
I am interested in knowing if, by sending certain AT commands to the OBD2 Bluettoth adapter (for example the generic ELM 327 Mini) I can "program" this adapter and thus be able to send the ...
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On Board Diagnostics-II for Electric Vehicles
I'm learning about OBDII, and I'm wondering whether it is valid on EV's too.
According to Wikipedia's PIDs article, the Service 01 PID 51 (or Fuel Type) has a value 8 that means that the fuel type ...
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OBD fault codes vs. pending fault codes
The OBD app that I use, AndrOBD, has three different options to retrieve OBD fault codes:
OBD fault codes
OBD fault codes (pending)
OBD fault codes (permanent)
The third option, as I understand it, ...
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2016 Traverse-OBDII readiness check
My air conditioner does not come on because I have a pin hole in the rear line. Will this affect performing a cycle to get the sensors to read
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OBD2 device that connects over cellular data?
I'm looking to monitor any and all stats of my vehicle. Are there any OBD devices that connect remotely over cellular data, and come with a nice phone app?
I'd like to be able to monitor the car from ...
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OBD2 for car customization
i was wondering if it could be possible use CAN protocol to automate some of my car (Suzuki Swift 2016 1.3 DDiS) processes, such as close windows when door get locked. I found lot of applications/...
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Remote start and Cool down ford F150 2015: possible by interfacing with ODBii?
I'm trying to set remote starter and cool down (Air conditioning), of my Ford f150 2015...
I have done an initial reserarch and it seems possible (I have found a company called Start x https://...
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OBD code P0433 problem
I have just had 195000km service on my Mitsubishi Triton 3.5 Ltd V6. They replaced my air filter and I now have a check engine light. Code P0433 on OBD scanner... replace O2 sensor, exhaust leak. No ...
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How to detect the "engine on" condition from an OBD2 reader apparatus without using OBD2 polling?
I am planning/designing an OBD2 logger which should detect engine start to begin operation (detecting engine off is trivial since logging via OBD2 is already going on).
Since the device should consume ...
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OBD2 port construction, Toyota Camry 95, and Dodge Durango 2002
I have a product that takes an OBD 2 plug for power and I don't want to use my standard OBD port. I need to create an OBD 2 port for power purposes only, how could I do this and does the port run at ...
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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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How could a scan tool disable the car through the DLC?
I recently bought an Innova scan tool. I don't work on cars very often, but I needed a basic scan tool. It worked fine for a month or so, then just stopped connecting to vehicles. I have a 2006 Jeep ...
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P0430 CEL with A/F Sensor: Sensor or catalytic converter? (Wide Range Sensor 1) [duplicate]
Normally compare Sensor 1 & 2 voltages BUT sensor 1 is A/F type and has steady voltage.
NOTE: Using Torque Pro, there is no Sensor 1 Voltage data available (or should I be looking for a Sensor 1 ...
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Can I modify my car so that the OBD II port doesn't supply any power unless the car is turned on?
I have a 2007 Audi A4 and a 2013 VW Beetle. I'm planning to plug in some Veepeak BLE OBD II scanners and hook them up to my home automation server. I want to track a few statistics about our cars and ...
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OBD2 Codes Keep Changing
1997 Pontiac Sunfire 2.4L
I took my car to AutoZone and had them use their scanner. No codes were found. Five minutes down the road the check engine light came on so I stopped at another AutoZone. ...
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SK Rapid U041600 + C10A301 + U140600 - link beween trouble codes
Škoda Rapid (2019) 1.0 TSI shows these three trouble codes on OBD diagnostics. Check engine light is glowing, start-stop shows an error, engine performance seems unchanged.
Internet search suggests ...
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Current draw on an ODB port if left in with engine off and key out
I have a USB socket off my ODB port (I know!). it powers my satnav but my question is this: If I turn off my satnav but leave it plugged in to the USB is there any current draw?
Thanks to any wizard ...
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Our custom OBD II reader when plugged in drops engine rpm to 0 along with turning on engine check light
We are a small startup who are trying to develop their own obd2 reader. We were able to get live rpm reading from our car but when the same device was plugged into an Eicher truck (BS 6 Engine) the ...
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My own OBD2 "server"
I need to translate the rs232 stream from my ECU to OBD2 compliant messages. I suppose I will have to put a computer after rs232 connector that will translate (parse and transform) messages so that ...
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modifying scantool.exe so i can read Freeze Frame data
I have rebuilt scantool.exe from source and I want to add freeze frame capture.
I haven't been able to find details on what the returned packet looks like. descriptions say it is just like mode 1 but ...
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2008 scion tc electrical issue
Hey there I have a 2008 scion tc manual transmission. I’ve ran into the problem of the car reading 12v at idle, 11.5 when lights and heat are on and 10.9 when driving. I checked that the alternator is ...
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2011 Acura RDX alarm random trigger
I have a 2011 Acura RDX and the alarm is going off a random times (usually middle of the night). Based on suggestions online, I have replaced the battery in the two remotes, but it still happens.
I ...
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What is the maximum number of OBD2 PIDs I can reasonably retrieve at the same time?
I have Mazda 5, 2014
recently I've got OBD2 logger which allows to retrieve large amount (several hundred) of PIDs, including standard ones (SAE) and specific PIDs provided by Mazda Enhanced Add-on; ...
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Toyota Hiace 2-17 CPU to OBD2 issue
I have a 2017 Toyota Hiace which is a JDM version imported from Japan. I am trying to connect some extra gauges via OBD2 using a scanner tool such as ELM27 and Scangauge3. I also have a third tool and ...
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Remove OBD socket from Golf 7
could someone please explain how to remove and replace OBD II socket from Golf 7, ideally with pictures or video? Seems ping in my socket are loose. I have a replacement, but can't get the socket out ...
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Which value should takes to show Gauge value, Fuel pressure or Intake Manifold Pressure?
Currently, I'm working on an app which should show Gauge value (inHg) of the vehicle using OBD reader. Which values should I use to show the Gauge? Is there any formula?
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Safe to drive ~800km with diesel particulate filter warning?
My 2009 Mini Cooper D (R56) reads "Service" on the small dashboard display, and has the following fault codes (with their meanings that I looked up):
P14A5 - Exhaust gas temperature sensor ...
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GMC c5500 TopKick
There is a transmission problem and a code on this truck but my scanners cannot read the PCM codes. What scanner should I use to read PCM codes on a GMC c5500 TopKick?
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OBD2 not communicating
Long story shortened... I have a 00 GMC Sierra, 4.3 v6 SE Stepside. I back probed the wrong plug wire on the BCM using the wrong method (test light rookie mistake, DMM only...got it, lol). The ...
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Retrieving handbrake status light and reverse light from OBD II
I have a project to replace my car's instrument panel with a Android tablet. So I'm developing an application that communicates with an ELM327 device through bluetooth. I have managed to successfully ...
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Should I clear Prius ODB-II codes?
My 2015 Prius had been sitting for several months without being started. The starter battery went flat so when I turned it on, the dash turned on and off in a loop.
I charged the starter battery to ...
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Do ODB-II/EODB/JODB readers for dealers/mechanics show more than consumer readers?
When you go to an auto parts store and buy an ODB-II/EODB/JODB code reader, you will be buying a device that will read vehicle fault codes via a standardized data port.
Do vehicle manufacturers sell ...
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Multiple error codes for both front wheel speed sensors
My ABS and traction control warning lights are on, and I'm getting the following codes: C1041, C1042, C1014, C101F, C1011, C101C. I'd replace the speed sensors but since I'm getting codes for both ...
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Mercedes S205 unknown fault code: 562CFF6C
My car machine readed a fault codes with Bosch system from Mercedes W205 (2014) C180 car and they have found an unknown fault code in ABS/ESP system:
fault code is: 562CFF2C
After deletion of the ...
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