Conditions For Running DTC P0742

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:

The engine is running greater than 400 RPM for greater than 7 seconds.
The system voltage is 8-18 volts.
No MAP sensor DTCs P0106, P0107 or P0108.
No transmission component slipping DTC P1870.
No TP sensor DTCs P0121, P0122, P0123, P1120, P1220 or P1221.
No OSS DTCs P0502 or P0503.
No ISS DTCs P0716 or P0717.
No TCC DTCs P0741 or P1860.
No TFP manual valve position switch DTC P1810.
The speed ratio is 0.95-2.18.
The engine torque must be between 125 ft. lbs. (169 N.m) and 650 ft. lbs. (881 N.m).
No TFP manual valve position switch change within 6 seconds.
The TFP manual valve position switch indicates "D4".
The commanded gear is not 1st.
Engine speed is 800-4400 RPM.
The throttle angle is 12-100 percent.
Vehicle speed is 7-75 MPH.