GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Transmission Fluid Life (4T80-E Transmission) Conditions
Cause:
    DTC P071 1, P0712 and P0713 not set, engine runtime over 5 seconds, system voltage from 8-18v, then the PCM determined that the calculated transmission oil life remaining was 10% or less.