P1887 OBD Trouble Code

1 result found

P1887 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

TCC Release Switch Circuit Conditions

Cause

DTC P0716, P0717, P0741, P0742 and P1810 not set, engine speed over 500 rpm, TR switch in D4, TCC commanded on, TCC slip speed is -20 to +40, then the PCM detected that TCC Release pressure was present (the switch is open)

Try also: https://www.obd-codes.com/p1887