P1891

Set by the manufacturer, so it means different things on different makes. 10 makes in the table below.

More codes than this one? Paste your whole scan

What P1891 means, by make 10 makes

Audi Transmission shift control switch – implausible signal
Chevrolet Throttle Position Sensor PWM Signal Low
Citroen Transmission Transfer Case Contact Plate Ground Return Open Circuit
Ford Transmission Transfer Case Contact Plate Ground Return Open Circuit
Honda Problem in Start Clutch System
Lincoln Transmission Transfer Case Contact Plate Ground Return Open Circuit
Mercury Transmission Transfer Case Contact Plate Ground Return Open Circuit
Peugeot Transmission Transfer Case Contact Plate Ground Return Open Circuit
Toyota SLC Circuit Malfunction
Volkswagen Transmission shift control switch – implausible signal

Each line is that manufacturer's own meaning for P1891. They are genuinely different faults, not rewordings of one, so a meaning listed against one make says nothing about the others. If your make is not listed, we do not hold it - your manufacturer's service information is the authority.

Code structure P1891

Powertrain

engine, transmission and emissions

Manufacturer-specific

Defined by the vehicle manufacturer, so the meaning varies between makes.

Fault index

identifies the specific fault

Powertrain Manufacturer-specific

Nearby codes in the P1 range

Manufacturer code meanings from kierandrewett/obd (b56a07a), used under the MIT licence. Copyright (c) Kieran Drewett. SpareRadar is not affiliated with the dataset's authors.