Conditions for Setting the DTC
WARNING: This page is about a different car, the 2005 GMC Yukon XL, 2005 Chevrolet Suburban, and 2005 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
One of the following conditions occur for 4.3 out of 5 seconds.
- The PCM commands the TCC PWM solenoid valve to OFF, 0 percent, and the voltage input remains low, zero volts.
- The PCM commands the TCC PWM solenoid valve to ON, 100 percent, and the voltage input remains high, B+.