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2003 Chevrolet Silverado 2500HD 8.1L with engine code P0802, what are the Possible Cause?

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2003 Chevrolet Silverado 2500HD 8.1L with engine code P0802, what are the Possible Cause?

Vehicle: 2003 Chevrolet Silverado 2500HD 8.1L CID Gas

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P0802 Transmission control module MIL request circuit

For this code to occur the PCM detects incorrect voltage level at the TCM (transmission control module) request circuit .Have the battery condition check. The most probable cause is  with the battery.
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P0802 CHEVROLET - Transmission Control System MIL Request Circuit Open
Read more: https://www.autocodes.com/p0802_chevrolet.html

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