Circuit/System Verification
WARNING: This page is about a different car, the 2013 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Verify that DTC C056D is not set.
- If the DTC is set in a control module that can be programmed, program the control module. If the DTC resets, replace the control module that set the DTC.
- If the DTC is set in a control module that can not be programmed, replace the control module that set the DTC.
- If the DTC is set in a sensor, replace the sensor that set the DTC.