P1860 OBD Trouble Code

1 result found

P1860 - GM
Type Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description

TCC PWM Solenoid Electrical Fault
Cause

DTC P0560 not set, engine speed more than 500 rpm for over 5 seconds, not in Fuel Shut-off mode, then the PCM detected a TCC duty cycle of less than 10% or more than 90%.

Try also: https://www.obd-codes.com/p1860