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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1answer
28 views

Obd scanner requirements

My 1998 vw Jetta just died in my garage. Does it have to be running while using a obd scanner or will the electrical system still show the fault codes? Thank you
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1answer
3k views

P0380 OBD-II Trouble Code: Glow Plug/Heater Circuit “A”

I found the following error in the error log of my Ford Focus Tunier 1.6 tcdi diesel 109HP (2006): P0380 OBD-II Trouble Code: Glow Plug/Heater Circuit “A” First i thought it was due to a defect ...
2
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1answer
29 views

Is there a reason to monitor calculated (not measured) OBDII mode $01 catalyst temperature values?

My assumption is that on a 2 bank system, if both catalyst always read the exact same temperature, the values are calculated or inferred from other sensor inputs. My guinea pig is a 2005 Ford ...
2
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1answer
55 views

My 2008 Miata only has 3,600 miles on it but failed the smog test

2 OBDII monitors (evap system, and EGR and/or VVT system) have not yet finished self-checks, apparently because the battery was replaced. The smog station says I need to drive the car about 75 miles ...
2
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2answers
822 views

Are OBD-II PID codes the same for all car manufacturers?

In the Wikipedia PID list we can see that 0x0C for engine RPM, 0x0D vehicle speed, etc. Is this same for all car manufacturers? In Arduino examples we can see that data[2] reserves the PID (for ...
2
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1answer
145 views

Trouble Code decoding

I've got a trouble code in my car and unable to figure how to decode it. 008 0: 43 03 00 59 01 54 43 00 1: 01 55 AA AA AA AA AA I can understand the response is in multiple frames, but unable to ...
2
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1answer
2k views

Which is the Best Scan and Diagnostic tool for Asian Vehicles? [closed]

I am looking for a Scanner and Diagnostic tool that will be used for Asian Vehicles. I am not sure which scanner to buy which works with Asian makes like Toyota, Hyundai, Kia, Mahendra, Suzuki and ...
2
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1answer
7k views

Getting MIL on a Dodge Grand Caravan 2012 without an OBD device

I have a dodge grand caravan 2012 and yesterday, the check engine light went on. I know there's usually a way to get the error codes without an OBD device... I was able to do this on my old caravan ...
2
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1answer
2k views

How to add a new transponder / key to a Daihatsu immobiliser

How can I add a new key to a Daihatsu immobiliser? The key I have has a Texas 4C transponder, and is used in the Daihatsu Copen and Daihatsu YRV (to name just two).
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2answers
2k views

Volkswagen Golf MKV Fault log

I have a folkswagen Golf MKV 2005 model, i used torque to check what the yellow motor sign means, and this is what i received: P2201 - Powertrain NOx Sensor Circuit Range/Performance bank1 P2096 - ...
2
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1answer
908 views

OBD2 protocol in trucks

How can I check if these trucks are OBD2 compatibile? Trucks: Mercedes Atego, type 818 [Daimler 970.21] Man, type 8.113 If they are compatible with this protocol can you tell me where can I find ...
2
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1answer
502 views

Flashing O/D (OverDrive) light — Where is the code?

I'm working on a 2007 Ford Mustang. The O/D light is flashing and the transmission has some rough shift transitions. When I use OBDII to read the codes, there are no faults found, no faults in ...
2
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1answer
133 views

Pending overheating related OBD codes disappear before becoming stored?

If my car has overheating/coolant problems, but no check engine light, is it possible that there are pending codes which haven't became stored yet because I keep refilling the coolant before the ...
2
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2answers
175 views

How can I analyze my Acura TL's response to low octane gasoline?

My six-cylinder 2008 Acura TL specifies "premium" fuel. My wife often fills it with "regular" (i.e., 87 octane). As I understand it, under certain operating conditions and loads, the lower-octane ...
2
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1answer
789 views

OBD2 steering angle PID

I'm trying to get the steering angle of my car via the OBD2 port. I'm using a usb adapter, and Pyserial to read from it. I found this: https://en.wikipedia.org/wiki/OBD-II_PIDs Which lists the PIDs ...
2
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1answer
1k views

Dodge Durango Transmission Temperature via OBD2

How can I read the transmission temperature on my 2012 Dodge Durango 5.7L Hemi via OBD2 (a wifi adapter - using Torque for Android and DashCommand for iOS)?
2
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2answers
1k views

BMW E90: Professional Radio (Alpine CD73) USB Adapter won't work

I bought an USB Adapter which emulates a CD Charger. The port wasn't used yet. When I plugged my battery the Radio worked, but I couldn't find the CD charger /USB in my radio source menu. Do I have to ...
2
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1answer
72 views

Expose Car Hardware information

I am looking for way via which i can access my car information when it is running like speed,acceleration,gear information,oil information,etc . My Car details : Hyundai Verma : Model 2006 , Manual ...
2
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1answer
131 views

Detect engine stumble or hesitation

I want to know if I can detect my engine is having hesitation/stumble problem from an OBD. I mean not from any fault codes, but from the parameters obtained from the OBD. e.g. calculate the obtained ...
2
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1answer
63 views

ODB2 Fuel Level 2004 Chrysler Town & Country

I am wondering if anyone knows if a 2004 Chrysler Town & Country supports Fuel Level over ODB2. I have been unable to find a list of which vehicles do/don't support this. Thanks.
2
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1answer
4k views

Error MIL: off Spark ignition

I checked my OBD2 sensor and it shows on DTC that message. Along with P0171 system too lean on my Mazda 3. I put in an injen intake and that was 3 years ago. The check engine light came on 3 months ...
2
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1answer
270 views

what does the highend OBD2 scanner offer?

I just want to clear some misconceptions that i have about the obd2 scanning tools : Is the difference between the high/low-end scanners is the software only? Do the highend use more connection wires ...
2
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1answer
471 views

Scanning CANBUS [duplicate]

I am in search for a method of scanning the CAN on my car using a cheap ELM327 chip. I can query the ECU (made by Denso) without issue, however when I attempt to set the ELM327 scanner into ...
2
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1answer
784 views

CAN-BUS in a SEAT cordoba 99'

Does anyone know if SEAT cordoba (99' model) has CAN-BUS interface? Where can one find this kind of info? Thanks!
2
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1answer
1k views

OBD/OBD2 port on a 1993 mitsubishi triton MJ

Does anyone know if there is an ODB2 diagnostics port on a 1993 Mitsubishi Triton MJ 4x4 Ute?
2
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1answer
80 views

Long start 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 ...
2
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1answer
48 views

How does a typical OBD communication start?

I'm trying to understand how, at the level of SID (Service Identifier) ​​and PID (Parameter Identifier), a communication must start between an external scan tool and any vehicle ECU (Electronic ...
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0answers
93 views

Can an OBD2 device be used to limit vehicle speed?

Is it possible? And if so, which OBD2 device can do it?
2
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1answer
59 views

To run a new ODB-II line from car computer

I bought a used Toyota Camry 2010 sometime in August. I noticed that there is no OBD-II port in the car. I have checked everywhere in the driver side and even passenger side. I noticed the car was ...
2
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0answers
924 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
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0answers
621 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
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0answers
600 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
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0answers
842 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 ...
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0answers
529 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
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0answers
77 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 ...
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3answers
664 views

Car OBD protocol?

I would like to connect OBD2 GPS device in my cars. OBD2 connector support limited OBD protocols. I can't find which protocols present in my cars. So i just want to know what protocol is present in my ...
2
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0answers
95 views

Calculated vs absolute engine load [duplicate]

The OBD-II protocol (SAE J1979) has a couple of PID's that relate to engine load: +------+-----+---------------------------------+ | Mode | PID | Description | +------+-----+------...
2
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0answers
2k views

Fuel Consumption and other Fuel related data from basic OBD-II parameters [duplicate]

I want to know how can i obtain the values of Fuel Consumption, Fuel Economy and other fuel related information from basic OBD-II parameters like Vehicle Speed, RPM, TPS etc. I have noticed that not ...
2
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2answers
3k views

Classifying a DTC as active, past or potential

Scantools always classify a DTC as active/current, history/past, potential/memory. How do they classify that? Sample raw data: 80 F1 5A 05 58 01 C1 00 20 0A Can you help classify it as past, ...
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6answers
23k views

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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4answers
206 views

What good is a scan tool?

Other than reporting error codes, is a scan tool useful? Can it help you to tune the car to optimize gas mileage for example or other helpful things?
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3answers
272 views

Can reading from the ODB port interfere with a custom STO map?

I recently had a full freeflow system fitted to my Opel/Vauxhall Astra Turbo Coupe. Along with this, I had a stage 1 STO map done to take full advantage of the new exhaust characteristics. At any rate,...
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5answers
3k views

Torque App Mileage reliability?

I am using an OBD-II sensor and the Andriod Torque app to look at my fuel economy and see that it shows a whopping 37 MPG for my Mazda 6, 2005 (2.3 Automatic). This seems fishy as some random googling ...
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1answer
81 views

Is OBD II is still relevant or does it have a future?

I am thinking to invest and buy an OBD-II scanner. Before I do that, I need to know for how long automakers will comply and support OBD-II standard. I am asking since I am planning to buy a 2019 ...
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2answers
1k views

Can I turn the steering wheel in Honda Civic 2017 (No Honda Sending) by sending commands via CAN bus (OBD ii port)?

I want to turn steering wheel my 2017 Honda Civic LX (without Honda Sensing) by sending commands via CAN bus (OBD ii port), My car has Electronic power steering. I am doing this because I need to some ...
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2answers
1k views

What data are OBD-II scanners capable of logging?

I've been reading that certain scanners are capable of logging data that can be recorded while driving. What sort of data are most popular to be recorded? Can someone comment with examples of data ...
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3answers
445 views

Is obd code P0133 anything to worry about?

The day before I got this obd code I changed clutch and gear box oil. 15 minutes before I got this code one of my brakes pads completely wore out. I read a bit about the code and I guess they are not ...
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1answer
688 views

Can i control the brakes of a car by the OBD II Interface?

I'm doing a senior project about automating the braking system in cars and make it smarter
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2answers
1k views

OBD-II Fuel type and level of Monofuel Cars

I'm making an application like Torque and i have some issues with commands of Fuel Type and Fuel level with cars that use only one type of fuel like, Only Diesel or only gasoline. With car Bifuel ...
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2answers
4k views

Are there any OBD scan tools compatible with a Volvo V50 2005 Europe

I understand this is not a website to ask for specific products. I have spent nearly 3 hours on the web trying to find a scanner that will be able to read and erase codes from my Volvo V50 2005 Europe ...