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Truck setting P0729 with tuner turned up
Hi everyone, I've got a customer with a 2015 4x4 with duramax and allison. The truck has been deleted and tuned. I'm getting DTC P0729 when the tuner is turned up to 4 or 5, but not any other time. When the tuner is down or off, the transmission shifts perfectly. I've disassembled the transfer...- autotransmd
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- Replies: 7
- Forum: Mike L's Trans Talk