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GMLAN error
I have a 05 Corvette A4, it runs great, but I have a problem using a data logging tool or code reader- unable to read vehicle information. I took it to a shop that had a snap on scan tool and was able to get 3 codes; P0700 Transmission Control Module Requested MIL illumination, U2100 Controller Area Network Bus Communication, and U2105 Lost Communication with Engine Control Module. Codes where cleared and later that day I was able to log some data, but the next day I tried again and was unable to get vehicle information again. I noticed when the shop's scan tool was connected and then disconnected the driver information center on the dash alternated between Service Active Handling System & Service Traction Control System, but after a restart they did not appear again. What do I need to do to fix this?
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Originally Posted by Tag_sk
(Post 1565745248)
I have a 05 Corvette A4, it runs great, but I have a problem using a data logging tool or code reader- unable to read vehicle information. I took it to a shop that had a snap on scan tool and was able to get 3 codes; P0700 Transmission Control Module Requested MIL illumination, U2100 Controller Area Network Bus Communication, and U2105 Lost Communication with Engine Control Module. Codes where cleared and later that day I was able to log some data, but the next day I tried again and was unable to get vehicle information again. I noticed when the shop's scan tool was connected and then disconnected the driver information center on the dash alternated between Service Active Handling System & Service Traction Control System, but after a restart they did not appear again. What do I need to do to fix this?
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