What is duramax limp mode

Start by checking the transmission fluid dipstick. Does the fluid look or smell burnt? Next, are you leaking transmission fluid anywhere? Change your external filter if you have not recently changed it. When you drop it down check the magnet on top of the filter for any debris or material. Is there any chattering noise in reverse or drive? Does it clunk really hard when you put it in gear? Having some idea of possible issues can help you hone in on the problem.

Use this list as a reference for the most common root causes of the 5 speed Allison failure. If you are diagnosed your transmission to have failed mechanically or if you are are ready to put more power on the ground, the DT from DuramaxTuner. Diesel Tuner's Blog. Where can you learn more about P codes in your Duramax?

Code P, DuramaxForum. Step 1: Read Codes Always start by reading all of the codes triggering the check engine light. Erasing the codes will not correct the issue.

It will allow you to "limp" home. The fuel filters were a good starting point. Let us know what codes were retrieved. You can post now and register later. If you have an account, sign in now to post with your account.

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