Conditions for Setting the DTC
WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
Contactor system request circuit command signal is less than 25 percent
OR
Contactor system request circuit command signal is between 35 percent and 65 percent
OR
Contactor system request circuit command signal is greater than 75 percent
OR
The frequency of the contactor system request circuit command signal is not between 247 Hz to 253 Hz for 2 out of 3 seconds.