Skip the auto shop - Our mechanics make house calls

Q: Obd2 scanner not linking

asked by on

My Obd2 scanner will light up when connected, but won't link. All my fuses are good.

A: When the scanner will not connect, usually ...

When the scanner will not connect, usually the first thing we look for is a blow fuse or lack of power at the OBD2 connector. The most common cause of being unable to connect to the car is an issue with the ECU, either an internal fault or a wiring issue. A qualified technician, such as one of our YourMechanic experts, can precisely diagnose your electrical problem by inspecting all the wiring and performing an ECU test.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...