Questions tagged [obd]
An acronym; On Board Diagnostics.
87 questions
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I need help with a stuck OBD port, any advice?
I recently tuned my car's stage 1 with the FlashZilla Pro OBD port. However, I'm in need to remove it so I can check my car's error codes and whatnot. Unfortunately, it's stuck. I mean, it won't come ...
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OBD2 scanner cable
I have an old ELM327 Bluetooth OBD2 adapter and a K+DCAN cable for my Mini. I noticed I can't really get all codes like AirBag codes with my ELM 327 on my Nissan. I mostly use Torque and ODB Fusion on ...
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Car Stalls After Running AC Heating System
My 2011 Nissan Rogue is stalling out on me. The first time this happened was after going over a speed bump in heavy snow - I sent it to a garage and they told me that there were "No OBD Codes To ...
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Can a cheap OBDii reader plus an adapter cable read the fault codes from a 1999 BMW 316 compact?
I have a 1999 BMW 316 compact auto (e36) with a minor engine problem, I think it goes into "get you home mode" until it has warmed up. I also have a cheap Elm327 WiFi OBDii Interface ...
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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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What is the difference between OBD1 and OBD2?
In my car (BMW E46 323I 1998) I have both connectors, that is, the 20-pin OBD1 and the OBD2, what is the difference between the two, I am referring rather to the functionality in my car, that is .
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Will OBD2 Hud Head Up Display drain car battery if left plugged when car is off?
I am buying a HUD Head Up Display. It goes in Sleep Mode when ignition is off (screen turns off). I asked the manufacturer, they said it uses 0.3mAh when in Sleep Mode (400mA while in use).
Is this ...
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Honda Civic 2002 strange OBDII pinout
I have some trouble understanding the pinout of my OBDII plug. It appears that it has both grounds, K-Line, 12V and CAN Bus low (according to standard obdII plug). Therefore it does not have even one ...
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Can anyone offer advice on MUTILPLE codes all seeming to deal with my transmission
2001 Ford Taurus Wagon with 124K miles Duratec engine
Drive car yesterday and everything seemed fine. Came home and parked it like always.
Today the car runs but both the check engine light and the ...
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What is the point of performing an OBD2 diagnostic scan if there is no malfunction indicator?
Where I live, it is common for car mechanics to help their customers who are planning to purchase a new used car by performing an OBD2 diagnostic test on the car in question, even if there are no ...
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How do I factory reset an OBD2 ELM327 device (not reset ECU)?
it no longer puts out wifi thank you
tried turnning it off for a day, it has no reset button on the unit or PCB
here is more information: Here is more information https://security.stackexchange.com/...
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obd2 device on obd1 vehicle?
is there any way to make a obd2 plug in device (example gps tracker Metro Smart Ride) work on a obd1 vehicle. The device works and still has service. I no longer own a vehicle with obd2, but I'd still ...
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0v across CAN bus lines
I am trying to connect to the CAN bus of a heavy trucks 24V OBD2 port.
I have already tested my setup with a van, and confirmed it working.
The only differences I can see between the 2 vehicle's ...
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Incomplete Monitors
I changed my Hyundai 2000 Accent battery and My CAT and EVAP monitors will not complete. I have tried a generic drive cycle and monitors will not complete. Any suggestions.
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any obd dongle with the ability to stream live data ie CO2, HC and NOX?
any obd dongle with the ability to stream live data ie CO2, HC and NOX ?
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How to power up OBD device without ignition to vehicle?
i would like to power on the obd device without ignition to vehicle. Am trying to establish some connection for programming work buy connecting to my laptop. Any way to do this?
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Broad question about sensor replacement in cars in general
As a shade-tree mechanic, I am rather frightened of doing repair work that involves disconnecting or replacing sensors in general.
One of my fears goes like this: I hear stories of people performing ...
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About heavy-duty vehicle diagnostic port
I am trying to design an ELD device that could be connected to the deutsche 9 pin and 6 pin port on heavy-duty vehicles. Is there any place where I can get the pinout configuration of these ports for ...
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Bmw N52N Lambda probes madness
Owner of a BMW E60 523i LCI Automatic (N52N engine. aka N52k). 105000 Kms on the clock.
The error codes below after deletion, re-appear after 300~400 Kms.
It is theoritically impossible for 4 lambda ...
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Problem diagnostic on Toyota Estima
In relation to my previous question: Hybrid battery not charging fully
This morning I took the vehicle to the mechanic who has serviced all of my cars for the last 10 years. He called me later in ...
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Oxygen Sensor Engine Light
I had Oxygen Sensor Engine Light that complained about the Bank 1 Sensor 1. I used my OBD2 tool to clear the code, and the engine light is not coming back.
Can I leave the sensor as is or still I ...
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P0340 code, even after camshaft sensor replacement [Solved]
I drive a 2004 Honda Civic ex coupe manual with ABS, engine code D17A2 (SOHC, Vtec)
I was driving my car and slowly revved up to 7krpm (smart, I realize) and suddenly my car lost power until 3500rpm ...
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Can an OBD2 device be used to limit vehicle speed?
Is it possible? And if so, which OBD2 device can do it?
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Konnwei kw30 diagnostic equipment
Just got a konnwei kw830 diagnostic tool I plug it into my car which I know has a fault as I have checked on another system and that comes up with fault key 1 which means my car key has lost its ...
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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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