Conditions For Running DTC P1887

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

DTC will run under the following conditions:

No ISS sensor DTC P0716 or P0717.
No TCC PWM solenoid valve DTC P0741, P0742 or P1860.
The engine speed is greater than 500 RPM for 5 seconds and not in fuel shut-off.
The TCC is commanded ON.
The TCC slip speed is -20 to 60 RPM.
The engine torque is 30-300 ft. lbs. (41-407 N.m).