Conditions for Running the DTC

WARNING: This page is about a different car, the 2006 GMC Yukon XL, 2006 Chevrolet Suburban, and 2006 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

No TP sensor DTC P0121, P0122, or P0123.
No VSS DTC P0502, or P0503.
No AT ISS DTC P0716 or P0717.
No TCC DTC P0742 or P2761.
No TFP manual valve position switch DTC P1810.
The system voltage is 8-18 volts for greater than 0.5 second.
The gear ratio must indicate 2nd or 3rd gear.
The throttle angle is 10-100 percent.
The TFP manual valve position switch must be in D4, D3, or D2 and has not changed in 6 seconds.
The transmission fluid temperature (TFT) is 20-150°C (68-302°F).
The TCC duty cycle is greater than 65 percent and locked on greater than 1 second.
No TCC PWM Electrical DTC P2761.