× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 2009 GM Van, U0101 & U0109 Codes
Posted to Technical Discussion Forum on 10/21/2017 15 Replies

Hi Bill. Given that you have no communication with the FPCM and TCM, the ABS lamp is illuminated and you have 121 Ω measurement at the DLC, the easiest way is to open the circuit at the EBCM under the floor on the frame rail and test the circuit in eithe... Login to read more.

Files Referenced:

thumbnail

15 Replies Received (View Replies)