DTC U1040: EBCM Class 2 Serial Data State Of Health Fault: Description

DTC U1040 indicates that BFC has lost class 2 serial communication with EBCM for 15 seconds. When DTC U1040 is set, failsoft data associated with DTC U1040 is stored in EBCM. DTC U1040 can be cleared using scan tool, or history DTC will disappear after 100 ignition cycles if fault conditions do not reoccur.