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Thread: AEM Wideband Data Logging Issues

  1. #1

    AEM Wideband Data Logging Issues

    I have an 06 Chrysler 300 srt8 with a built engine, cam, and a Magnuson Supercharger. I'm having issues with AEM X Series Wideband and I can't get it to log in the data logs that I need for my tuner to finish the tuning process.. I have an Mpvi2 and Pro Link Cable with pro features.. I've tried everything but I can't get it to log! I can't seem to find the channels or pids to make the Mpvi2 read the data or get the signal... I know it's connected properly with the analog wires... I've had several widebands connected in several cars and I've never had this issue before... I also tried using the serial adapter and using the blue serial wire from thr AEM but that won't work either. Is there someone that can assist me or point me in the right direction? Thanks!

  2. #2
    Senior Tuner LilSick's Avatar
    Join Date
    Jan 2022
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    fountain valley
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    1,661
    gimme a call and i can help you get it connected

    pm you my number

  3. #3
    Advanced Tuner
    Join Date
    Nov 2023
    Posts
    261
    My AEM X-Series Wideband came with an OBD passthrough cable, which creates an additional ECM controller on the canbus for VCM Scanner to pick up on.

    The cable goes from the back of the AEM gauge, to the OBD connector under the dash. Then the HP Tuners cable plugs into this passthrough, and goes to the MPVI interface.

    I do not use my Prolink+ cable at all for the Wideband setup. Did your AEM gauge not come with the OBD passthrough
    2023 Dodge Durango R/T (5.7L) with Tow & Go Package (build thread)
    Gen 5x Whipple 3.0L Supercharger
    Smooth Boost Electronic Boost Controller
    SRT 392 Air Intake Conversion
    92mm Hellcat Throttle Body
    Mighty Mouse Mild SRT Catch Can Setup

  4. #4
    Potential Tuner
    Join Date
    Sep 2024
    Posts
    6
    I bought an aem wideband off Amazon, they only had the version with obd2 passthru. My whip doesn't use CAN so I cut off the obd2 plug and pulled pins 5/6 and put them in the analog pins (9/10) and wired those to my prolink cable. From there I just made certain I had good connections all around and added a channel -> external -> mpvi -> prolink analog 2 (blue) (pick red or blue) then right click that new channel and go to transform, find the aem 30-03x option and click copy to user-defined and then press ok. I had to do some troubleshooting because my output was stuck at 7.86 or something, or it would be 19.18. That issue was due to my ground wire but still had the 7 number showing, turned out to be when I moved the pins around they didn't get seated too well, pushed em in good and my wideband is updating the channel perfectly.