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    DTC's after Transgo install...

    Fixed! I called a local Trans shop that I've used many times to arrange to have it towed. He suggested that I might have to clear the codes 2 or 3 times. He suggested I let it idle for a several minutes to try to get any trapped air out of the pressure sensors. He also suggested I double check...
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    DTC's after Transgo install...

    Well, checked all the connections, double checked the trim valves, cleared the codes, tried disconnecting both batteries, backed out of the driveway and made it about 100ft before felt like it went into neutral. Couldn't get any gear to work. Shut it off, restarted and was able to back it up to...
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    DTC's after Transgo install...

    So I pulled the pan. All the connectors look good. I pulled each one checked the pins and plugged them back in. They were snapped in properly. The solenoids held in with wire clips were all the way seated as well. I guess I'll pull the VB and check the A&B trim valves. Any other suggestions...
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    DTC's after Transgo install...

    Did a fluid and filter change and installed a Transgo Jr. fired it up and got P0756 and P0700. I saw on a previous thread that disconnecting the harness with the ignition on can cause issues. I had the key on to allow movement of the shifter while pulling the VB(now I know I didn't need to do...
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    Allison 6sp: transgo install now limp?

    I love this forum! I know this is an old post, but a quick search solved my problem. I installed a Transgo Jr. and got a bunch of codes on startup. The ignition was on when I pulled the valve body. I cleared the codes and life is good. I was sure I was gonna have to pull the pan again. Thanks...