Car Scanner ELM OBD2
Mobile app · Car Scanner
Free iOS and Android OBD app for wireless ELM327 adapters: codes, live data and dashboards on any OBD-II car, plus coding on listed VAG, Toyota and Renault models.
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Diagnostic tools, knowledge, and real solutions.
Find out what automotive diagnostic software and interfaces support, and solve real problems with people who use them every day.
Try a product name, a fault code like P0101, or an engine code.
Popular tools & software
Browse the catalogueOBDLink EX
Hardware / interface · OBDLink
USB adapter designed for FORScan, with automatic switching between Ford HS-CAN and MS-CAN networks.
0 followers 1 post
OBDLink MX+
Hardware / interface · OBDLink
Fast Bluetooth OBD adapter for iPhone, Android and Windows that works with most ELM327 apps, plus GM and Ford private networks.
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VCDS
Diagnostic software · Ross-Tech
Long-running Windows diagnostic software for Volkswagen Group cars, licensed through a Ross-Tech interface and popular with enthusiasts and independent workshops.
0 followers 1 post
ANCEL BD310
Hardware / interface · ANCEL
Generic OBD-II reader that works either as a cabled handheld or as a Bluetooth dongle with ANCEL's phone app.
0 followers 0 posts
Autel MaxiSys
Hardware + software system · Autel
Family of tablet-based multi-brand diagnostic scan tools for professional workshops.
0 followers 0 posts
Latest guides & experiences
All guidesHow to Run and Save a VCDS Auto-Scan Before Diagnosis or Coding
To run a VCDS Auto-Scan, plug the interface into the car and the PC, switch the ignition on, test and save the port on the Options screen, then go to Auto-Scan, pick the chassis type that matches your car (or Auto Detect...
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P0420 Catalyst Efficiency Below Threshold (Bank 1): Causes and How to Check It with Car Scanner ELM OBD2
P0420 means the engine computer has decided that the Bank 1 catalytic converter is no longer cleaning the exhaust as well as it should. The converter is often the part that has failed, but the code does not prove it. Exh...
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Car Scanner on iPhone Cannot Find Your OBD2 Adapter: How to Fix It
If Car Scanner ELM OBD2 on an iPhone or iPad cannot find your adapter, the cause is usually one of four things: the adapter uses classic Bluetooth (which iOS apps cannot use for this), the adapter was paired in iOS Setti...
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P0171 System Too Lean (Bank 1): What It Means and How to Check It with an OBDLink MX+
P0171 means the engine computer has found the air-fuel mixture on bank 1 too lean: too much air, too little fuel. It has added as much fuel as it can and still cannot correct the mixture. The code does not name a failed...
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