Questions tagged [elm-327]
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29
questions
2
votes
1
answer
153
views
Flow Control for Multiline Responses for Custom 15765-4 CAN messages over ELM327
I am using an ELM327 adapter to talk to the OBD2 port on my car over ISO 15765-4 11b/500k. I want to query for non-standard messages outside of standard OBD2 PIDs, (which I have separately logged from ...
1
vote
1
answer
118
views
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?
- 207
0
votes
1
answer
309
views
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.
- 207
0
votes
1
answer
1k
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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/...
- 101
1
vote
0
answers
3k
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Run a forced DPF regeneration using OBD-II diagnostics
Our Jeep Grand Cherokee 2015 has problems with its exhaust filter. The error says we should drive safely at highway speeds to remedy but even after driving a few hours, it does not recover. It is ...
- 111
0
votes
1
answer
557
views
Can you see what version of ELM327 an OBD2 diagnostic scan tool/fault code reader supports?
According to https://en.wikipedia.org/wiki/ELM327#Other_Versions there is a handful of different versions of ELM327.
If you buy a non-genuine ELM327-device (that is, something that is compatible with ...
- 101
0
votes
0
answers
250
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: ...
- 101
1
vote
0
answers
90
views
Ping ECU when idle?
I recently purchased an ELM 327 mini and noticed that one of the settings on the app that I connected it to is "Ping ECU when idle" and I can turn that feature on and off. What does that mean?
Thanks
- 111
0
votes
1
answer
191
views
Accident Detection, Tow Alert, Level of Car, VIN, Fuel Level Input, Ignition Control using ELM-327 OBD-II
We are building a mobile application for vehicle diagnostics. We are using the ELM327 OBD-II tool for fetching the data from the car using Nodejs. The application is being built and we are facing some ...
1
vote
1
answer
14k
views
Where is the Ford Fiesta 2011 speed sensor located?
I have a Ford Fiesta 2011 and the speed meter was sporadically failing (speed would drop to zero with the car moving and sometimes get back to normal). The yellow warning lamp was lit and I could ...
- 195
6
votes
2
answers
2k
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Decoding VW Airbag DTC from elm327
I am using PuTTY (similar to HyperTerminal) and elm 327 (OBD Link LX) on my VW Polo 2015 model to read Airbag DTCs.
Command sent: AT SH 715
Received: OK
Command sent: AT CRA 77F
...
- 1,511
5
votes
1
answer
9k
views
can elm327 (bluetooth,wifi) adapters read and clear airbag(srs) codes?
There are a lot of bluetooth and wifi obd adapters but only a handful of them(e.g blurdriver) claim that they can read and clear abs and srs codes, so I'm wondering whether a cheap elm327 based ...
- 151
1
vote
1
answer
1k
views
VAG TP 2.0 complete list of AT commands
I am trying to find DTCs from various ECUs in a Skoda Rapid 2009 model.
I am using OBDLink SX (elm 327 chip) and Putty (similar to HyperTerminal)
https://jazdw.net/tp20
This link gives the list of ...
- 1,511
0
votes
1
answer
350
views
Not receiving multi line response ELM 327
I am sending the following commands to my Hyundai i20 2012 model (OBDLink SX Bluetooth device):
AT Z
AT H1
AT L1
AT S1
AT AL
AT SP6
AT SH 7D1
18 00 FF 00
The response I am getting is 7D9 10 0B 58 03 ...
- 1,511
2
votes
0
answers
873
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->
...
- 21
3
votes
0
answers
62
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 ...
- 1,511
2
votes
1
answer
694
views
ELM 327 How i can know a calculated CO CO2 HC & NOx with ELM OBDII? Is it possible?
I have a question, if i have many codes from my ELM 327 OBDII, Mass sensor, Km traveled, Lambda, Temp, fuel pressure, gallons x time, engine load....
hao i can calculated these emissions?
3
votes
0
answers
320
views
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 ...
- 161
1
vote
0
answers
384
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 ...
- 161
3
votes
0
answers
356
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 ...
- 386
5
votes
3
answers
2k
views
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 ...
- 153
5
votes
2
answers
963
views
Find all modules supported in my car
I own a Mahindra Scorpio S10 (2015 model) and want to find out what modules are there in my car (ECM, TCM, Body Control Module, Suspension control module etc.) using an ELM 327 Bluetooth device.
Can ...
- 1,511
1
vote
1
answer
4k
views
How to detect Passenger Seatbelt Indicator using OBD2
I have trouble code information as below for B00D1 OBD Trouble Code
which use to detect Passenger Seatbelt Indication.
I am referring below links to get trouble code information:
http://www....
- 167
5
votes
1
answer
3k
views
Does Fiat need dedicated FiCom OBD hardware and software for diagnostics?
I got an ELM 327 with Bluetooth from my brother in law. We have tested it in his Chevrolet Aveo with several apps and it works like a charm.
When I tried it on my Fiat Panda 2012, the apps couldn't ...
- 242
7
votes
1
answer
3k
views
What does it mean when the ELM327 OBD2-reader gives two lines of info for 0100 request?
I have an ELM327-based OBD2 reader that I can issue commands to when connected to a car. I'm running this on a 2015 Acura RDX.
When I issue the request 0100 to get supported mode 1 PIDs, I get the ...
- 171
9
votes
1
answer
4k
views
ATMA on OBDII not Working
I have successfully connected a terminal android app to the obd port of my car. And tried dry run of many at commands, many are working as expected.
But ATMA (AT command to Monitor All) is not ...
- 221
4
votes
1
answer
649
views
Android App for ELM 327 that allows to reset codes for Cadillac CTS
On my Cadillac I get engine light to come up because I have changed my petrol cap and sensor is malfunctioning. I got myself wifi ELM 327 OBD-2 reader, and by using my laptop I managed to get RPM of ...
2
votes
2
answers
885
views
Setting Polling Interval on a Elm327 adaptor
Is there any terminial command I can use to set the polling interval on an elm327 device? I know that for example obdwiz allows setting the polling interval through it's graphical interface, but I ...
- 15.7k
33
votes
12
answers
79k
views
Can a vehicle be harmed with bad inputs via an OBD-2 port?
I bought a cheap (sub $10) ELM 327 Bluetooth clone OBD-2 diagnostic adapter on a local "ebay-style" market where the seller specializes in car diagnostics and has several thousand positive reviews (...
- 1,305