Conditions For Running DTC P1870

WARNING: This page is about a different car, the 2002 GMC Cab & Chassis Sierra and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTC will run under the following conditions:

No MAP sensor DTCs P0106, P0107 or P0108.
No engine speed DTC P0335.
No ISS DTCs P0716 or P0717.
No VSS DTCs P0722 or P0723.
No TCC PWM solenoid valve DTCs P0741, P0742, or P1860.
No 1-2 shift solenoid valve DTCs P0751 or P0753.
No 2-3 shift solenoid valve DTCs P0756 or P0758.
No TFP manual valve position switch DTC P1810.
The gear range is "D4".
The accelerator pedal position angle is 12-80 percent.
The transmission fluid temperature is 68-266°F (20-130°C).
The engine speed is 1200-3750 RPM.
System voltage is 8-18 volts.
The vehicle speed is 30-110 MPH.
The engine torque is 70-475 ft. lbs. (95-644 N.m).