1999 - 2006 (GMT800) Section for all discussion related to the 1999-2006 Chevrolet and GMC trucks.

Hot transmission

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Old Oct 17, 2021 | 4:45 PM
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Lukeoforcas's Avatar
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Default Hot transmission

Getting a hot transmission idle engine message randomly on first start of the day. Lasts from 1 to 15 minutes. I serviced it, replaced the internal harness and temp sensor. Still happening. TCM plugs are are perfect. Anybody else seen this and find a cure?

Last edited by Lukeoforcas; Oct 17, 2021 at 4:47 PM.
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