P0881

DTC P0881, sometimes indicated as P088100 is an OBD diagnostic trouble code indicating a generic fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the transmission (gearbox) causing tcm power input signal range/performance.

The TCM power input signal range/performance monitors the voltage and current input to the TCM. The DTC is set if the voltage or current input falls outside the normal range.
There are several things that could cause this DTC to set. One common cause is a bad connection at the battery or TCM. A bad alternator or battery could also cause this DTC to set.

• P0881: TCM Power Input Signal Range/Performance
• P0881: Transmission control module (TCM) – power input signal range/performance
• P0881 00: Transmission control module (TCM) - power input signal range/performance