COMPUTER NO COMMUNICATION Questions

Friends Honda Check Engine Light Came On. I Attached My Ob2 Scanner And It Gave Me A Linking Error. I Attached My Simple Scanner To See If...

Hi, I Have Used Several Obd2 Adapters And None Of Them Can Communicate With Ecu. Can Anyone Help Please?

Please, I Am Having This Issue With My Car, It Won’t Start But It Cranks. I Have These Fault Codes P1820 And U1000 As Well As P1808....

I Am Getting U011a, U010c, P245a Error Codes. The Scanner I/m Monitor Status Shows Mis, Cat, O2s And Egr As Red (no Communication)....

No Communication To The Scan Tool. I Have Power To The Obd2 Port, Just No Communication To The Scan Tool. I Cant Find Any Info To Help On...

I Put In A New Programed Pcm In My Truck, And It Still Will Not Run, And The Diagnostic Link Still Says Unable To Communicate.

Looking The Location Of The Onstar Telematic Box In The 2025 Chevy Equinox Light Keeps Going From Red To Green. What Make Sure The Wire...

I Already Checked All The Fuses And Relays And All Of Them Are Good. Also, When I Put The Scanner, It Doesn't Read Any Codes And All It...

I'm Replacing My Transmission And I Had An Accident With My Control Module Connection Was Cut Off. Now I'm Trying To Put It Back But...

Twin Turbo. Bring To Emissions Testing Center And Came Back With "no Obdii Communication" Error. Vehicle Doesn't Get...