Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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).

5
votes
0answers
827 views

Difference between FMS and OBD

What is the difference between FMS and OBD. Whether OBD is a standard or protocol. Recently I am working on a GPS device to tap the CAN bus in order to integrate with our fleet management system. In ...
4
votes
0answers
582 views

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 ...
4
votes
0answers
192 views

BMW E90: Coming Home automatically on darkness

I have a BMW E90 ( pre- facelift ) with light package . Currently my car is set so that the " Coming Home " function can by pressing the headlight flasher is switched off, press at ignition . My ...
4
votes
0answers
3k views

Acceleration problem, but only immediately after stopping

Symptoms: The following applies mainly when accelerating from zero speed at 1st gear in RPM below 2500. Above that RPM range, there is no problem (then acceleration is assisted by turbo-compressor). ...
4
votes
0answers
73 views

Integrating Fast OBD Readings and GPS

I'm working on a project to look at fuel consumption on different roads and I need the OBD reader to log the GPS coordinates every time it takes a reading. I'm looking at instantaneous fuel ...
4
votes
0answers
1k views

Unable to connect OBD2 scan tool

Cheerz, I have purchased recently OBD2 scan tool(Autel MaxiScan MS300) which supports ISO9141. My car (Mitsubishi Lancer GLX 1.3 1999) seems like ODB2 compatible using ISO9141-2 protocol for ...
3
votes
0answers
106 views

Nagging P0430 (and now a pending P0420 too!) 2004 Lexus ES330

I've got a 2004 ES330 (2nd owner) with roughly 315,000. We didn't pay much for the car in 2012 with 164,000 miles. So, i've never gone overboard in maintenance of it. A year ago, when it was time for ...
3
votes
0answers
1k views

BMW CAN bus data format

https://www.reddit.com/r/CANBus/comments/39pzpp/bmw_3series_2015_odometer_reading/ I am using the above website as reference and sending commands to engine ECU. I have a log from BMW engine ECU (below)...
3
votes
0answers
49 views

Less than specified bytes of data from OBD

0100 (https://en.wikipedia.org/wiki/OBD-II_PIDs#Mode_1_PID_00) should provide 4 bytes of data. But there has been cases, like Audi A4 2.0 TDI, where the data from 0100 was less than 4 bytes. So is the ...
3
votes
0answers
844 views

P0420 Catalyst efficiency below threshold bank 1 With CO emission only!

I saw this code in OBD2 scanner on Skoda Fabia 1.2 2006 64hk petrol. It doesn't matter to me except that the car failed the inspection and I'm not allowed to drive it any more. The problem was too ...
3
votes
0answers
279 views

Why do I get weird-looking fuel trims when connecting the OBD Fusion app to a 2009 LR3?

Preamble I was looking at a 2009 Land Rover LR3 over the weekend with the OBD Fusion app. The vehicle had no CEL issues; this was more about thoroughly inspecting a prospective purchase. I can't ...
3
votes
0answers
223 views

Mazda 3/Axela RVM light when OBD2 adapter connected

I have connected a OBD2 adapter (Bluetooth ELM327) to my 2010 Mazda Axela (1990cc) and I've noticed that when my phone is connected to the adapter, the Mazda RVM alert lights on the side mirrors come ...
3
votes
0answers
325 views

2005 Impala OBD2 not working right

I have a 2005 Chevrolet Impala (Base trim, 3.4L) and I recently purchased a cheap OBD2 Bluetooth reader. Unfortunately, Torque (Android app) isn't able to read data from this transmitter when ...
3
votes
0answers
3k views

Ford Focus 2008 Error code: P2585-61

I own a Ford Focus 2008 1.6 TDCI. Recently I filled the DPF Additive tank with EOLYS Fluid but I couldn't regenerate and reset the values that day, so I drove to my home. Following day, I went to ...
3
votes
0answers
527 views

Mahindra KUV 100 and Suzuki Alto OBD protocol

Can someone please tell me the OBD-II protocol of Mahindra KUV 100 (diesel) and Suzuki Alto (diesel). Also whether ELM 327 Bluetooth will work? http://www.ebay.in/itm/SuperMini-ELM-327-Bluetooth-v2-...
2
votes
0answers
55 views

Can an OBD2 device be used to limit vehicle speed?

Is it possible? And if so, which OBD2 device can do it?
2
votes
0answers
871 views

OBD request trouble code mode 3 and mode 7

I'm trying to get my own app on phone to read Trouble code in car... I see that i have 3 mode to do this... first is to use the mode 01 with command 01 (but this command is generic) or the mode 03 and ...
2
votes
0answers
613 views

Read vehicle speed from Isuzu D-Max 2015

I'm using an OBD reader with Elm327 v1.5 chip. I have made a software that reads vehicle speed (pid 010d). This software works ok on VW Transporter and some other cars but not on Isuzu D-max MY 2013-> ...
2
votes
0answers
580 views

Catalyst Temperature

Please refer to Catalyst Temperature PIDs (mode 01 pids 3C, 3D, 3E, 3F) for the following questions - https://en.wikipedia.org/wiki/OBD-II_PIDs#Mode_01 Q1. Is there a thumb rule that the catalyst ...
2
votes
0answers
782 views

What is the difference between Toyota GTS and TIS software?

I've found two types of Toyota OEM software available. One is the GTS ( Global Tech Stream ) software which is freely available from Toyota's EU site. The other is the Toyota TIS ( Technical ...
2
votes
0answers
514 views

P1070 code error for mitsubishi space star

A few days ago - started engine in morning and while in neutral and engine cold it immediately revved to 2000 rpm... much higher than normal... once engine warmed up it drops.... but now engine ...
2
votes
0answers
73 views

Translating raw CAN responses into meaningful min/max/value

http://www.scangauge.com/support/x-gauge/xgauges-for-cansf-vehicles/ This website lists data reported by certain sensors. Lets take an example: Gauge = Short Term Fuel Trim Bank 1 TXD = 07E00106 ...
1
vote
0answers
40 views

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 ...
1
vote
0answers
35 views

Bluetooth OBD-ii hardwire question

I am looking to hardwire in a bluetooth OBD-II scanner into my car (2013 Subaru Impreza WRX) so that I can display gauges on my phone with Torque Pro. My car has a CAN-H and CAN-L in the radio ...
1
vote
0answers
52 views

Which wire to cut from OBD2 connector to prevent theft of a Mini Cooper S?

Just bought a Mini Cooper S convertible 2013 and read about the way thieves steal cars nowadays: by copying the key via the OBD2 connector. There are several (expensive) solutions for this out there, ...
1
vote
0answers
24 views

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: ...
1
vote
0answers
13 views

OBD GPS device stopped working?

I own an Indian version i20 and plugged in an OBD device (zyme pro) to track the car. It worked great for 2 days however i went to motor shop for seat covers and reverse camera and suddenly the GPS ...
1
vote
0answers
46 views

After querying RPM and fuel, OBDII is lighting all my dashboard lights

I'm using OBDII and after querying the rpm and the fuel, all the light in my dash board is lighting. How do I need to query the car? Why might this have happened?
1
vote
0answers
25 views

2001 Nissan Xterra drivability

2001 Nissan Xterra SE, 3.3L V6, automatic, 2WD, towing package, 150k miles Some history, perhaps useful: I bought this vehicle from a friend a few months ago. Vehicle was in good shape for its ...
1
vote
0answers
104 views

Proton Jumbuck ECU code retention

Anyone know if it's possible to clear fault codes from a Jumbuck's (my brother's) ECU by disconnecting the battery and if so, how long it needs to be off power. We've found 2 codes for the O2 sensors, ...
1
vote
0answers
65 views

Truck fleet monitoring project

I need to design a truck fleet monitoring system and make a prototype of it during my traineeship this year. I've been looking into the different buse networks that are already implemented in trucks ...
1
vote
0answers
89 views

Android OBD2 Fuel

Currently I'm developing an Android app that uses an OBD2 ELM327 device to read some data from the car, so I could use it in my application. Now, when I want to read the fuel, fuel consumption or ...
1
vote
0answers
334 views

Cars with single fuel type how retrieve tank level to dashboard?

I see that BiFuel cars had fuel level and type readable from ECU by using pid 0151 and 012F. Cars with monofuel don't have this pids sensors, so how the dashboard retrive the fuel level? Maybe the ...
1
vote
0answers
318 views

Does limiting the number of PIDs on an OBDII Live Scan increase the sampling rate?

I was messing around with the live scan settings on my BlueDriver OBDII scanner and I checked another PID box and got this message: To provide the best quality of data, we recommend logging no more ...
1
vote
0answers
753 views

Recalibrating speedometer over OBD-II

Is it usually possible to adjust the deliberate lying of the speedometer? My Renault Twingo reads about 5% too much, but the odometer is spot on, so the computer knows the right speed. Also, we're ...
1
vote
0answers
98 views

adapter for ODB2 device

i have a car: "fiat punto street 2016". I just bought a device from ebay that can give me some informations and errors status, the problems is that the device has an interface OBD2 and it's ...
1
vote
0answers
662 views

Calculate Intake Manifold Absolute Pressure from MAF Engine using OBD Data

I need to calculate Intake Manifold Absolute Pressure from OBD Data. I have Toyota Corolla GLI 2010 Model. This car has MAF engine which does not return Intake Manifold Absolute Pressure. Where'as I ...
1
vote
0answers
286 views

Difference between black and blue eml327 diagnostic tool

I've recently bought an Alfa Romeo 147 1.6TS 2001 105hp(77kw), and the previous owner had an instrument, or gauge, or mileage table replaced along with electrical window and mirror button table on ...
1
vote
0answers
478 views

Door Monitoring Through OBD-II Bus

I have a Ford Fiesta Style (05) and was wondering if it would be possible to determine the status of the doors of the vehicle through the OBD-II bus? In particular I want to know whether or not the ...
1
vote
0answers
2k views

OBD-II Enhanced PIDs

I was looking at the Torque Pro app and in the section where there is a list of custom PIDs that can be used, one is a Transmission Temperature PID. But it is exactly same as Engine Coolant ...
0
votes
0answers
8 views

Ford mondeo mk3, obd not connecting to computer

I have an Ford mondeo mk3 where the air con isn't working and there is no voltage to the pressure sensors. So I was going to look for error codes. However when I connected the obd it can't connect to ...
0
votes
0answers
10 views

How to completely eliminate the reverse beep on a 2012 Prius

I followed these instructions (same as described in method 3 of a wikiHow page) to "disable" the reverse beep on my 2012 Prius using a bluetooth OBD2 adapter and a mobile app to connect to it. Type: ...
0
votes
0answers
19 views

OBD2 VW Passat 3.BG build year 2002 - Connection Problems

Since two month I'm owner of a VW Passat 3.BG (Build year 2002, 1.6l, Benzin) and since my last drive the malfunction indicator light is on. Therefore, I thought about using an OBD2-Wifi Adapter to ...
0
votes
0answers
17 views

Which wires provide keep alive power to the PCM in 2012 Ford Escape?

I have code P1633 - as far as I've check all the fuses in the power distribution (engine fuse) box have continuity - I don't know how to test relays? Next up I want to check where the harness plugs ...
0
votes
0answers
44 views

Ways to maintain the ᴍɪʟ disabled on a 2007 Yaris Volkswagen scandal like…

Well it’s a strange problem after taking the cheapest repair shop of the city where currently anything is not from me yet : engine speed is unstable after 70℃ on gasoline and 55℃ on ʟᴘɢ mode and air ...
0
votes
0answers
18 views

What’s C3103 error code does means for my car?

I have error code C3103 which reappear randomly every 30km to 50km. But absolutely no description attached beside C means chassis. What does it means and what’s the additional steps to diagnoze ?
0
votes
0answers
49 views

ELM327 — how to read parameters

I got the ELM327 adapter and downloaded the carscanner app. It really did help understand some problems my 2016 rav4 was having lately. But I'm not sure how to interpret some of the parameters, i.e ...
0
votes
0answers
36 views

OBD several errors big picture

I have a proton wira 2004 which is essentially a Mitsubishi Colt, I got these errors when I connected an OBD2 device. Could anyone tell me the big picture, what do they mean combined? Thanks in ...
0
votes
0answers
88 views

Is it possible to produce Fuel Efficiency graph using OBD2 app

Can the Torque app be used to produce a Fuel Efficiency graph for my car, or do I need a specialist for this kind of information ? Generally I want to measure the most fuel efficient extra-urban ...
0
votes
0answers
659 views

Oil, brake, servicing reminder lights turn off using OBD-II

I am doing a project to reset oil, brake, servicing reminder lights etc. using OBD-II Bluetooth scanners (VGate and OBDLink SX Scan Tool). Basically, trying to do what enhanced OBD-II scanners are ...