Conditions For Running DTC P1870

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DTC will run under the following conditions:

No MAF sensor DTCs P0101, P0102 or P0103.
No MAP sensor DTCs P0106, P0107 or P0108.
No TP sensor DTCs P0121, P0122, P0123, P1120, P1220 or P1221.
No OSS DTCs P0502 or P0503.
The system voltage is 8-18 volts.
No ISS DTCs P0716 or P0717.
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 engine speed is greater than 300 RPM for 7 seconds, and not in fuel cutoff mode.
The throttle angle is 10-100 percent.
Engine speed is 1250-5000 RPM.
The transmission fluid temperature is 68-266°F (20-130°C).
Vehicle speed is 35-110 MPH.
TFP manual valve position switch indicates D4.
Speed ratio is 1.90-0.70.
The engine torque must be between 80 ft. lbs. (108 N.m) and 400 ft. lbs. (542 Nm) on 4.3L and 5.7L models or 650 ft. lbs. (881 N.m) on 8.1L models.
The TCC is commanded on for 0.04 second or more.
TCC is locked on for greater than 0.1 second.