COMPUTER NO COMMUNICATION Questions

So I Am Having A Problem With The Ecm. There Is No Communication With It. I Have A Scanner And It Does Not Let Me Communicate With The Ecm...

My Vehicle Will Not Start Or Turn Over. Key Turns But Vehicle Will Not Start. The Starter Has Been Replaced And The Battery Has Tested Good...

2001 Pontiac Grand Prix I Have A 2001 Pontiac Grand Prix Gtp That Cranks But Won't Start. I Have No Communication, No Pulse, It Has...

Bcm Module Seems To Be Loosing Power. Allarms Keep On Going Off In Random. They Reset Or Trigger When Tapped On Stearing Wheel. Buick...

Initially I Was Able To Read Codes On Scanner (icarsoft) Now Nothing. Car Has Transmission Issues So I Changed Out Conductor Plate. Now The...

I Have Nothing Wrong With My Vehicle. There Are No Lights On On My Dash, The Car Starts And Runs Great, Never Stalls, Engines Awesome, Low...

All Lights Pop Up On My Dash Including Cel, Plugged Code Reader In, Telling Me I Lost Communication To Transmission Control Module. Car Will...

I Have Taken The Van To 2 Shops And They Both Tell Me That The Computers Wont Communicate To Give A Fault Code From Trans. I Have Changed...

I Cannot Retrieve Codes As The Ecm Is Not Communicating With Scanner. Swapped Ecm Relay With No Change. There Is No Power (fuse Is Good) To...

I Want To Use My Obd Sensor Tool To Find Out Why The Check Engine Light Went On....i Can't Locate The Terminal Plug In Site. Any Ideas?