C0550 - ECU Malfunction - Electronic Power Steering (EPS)
C0550 - ECU MALFUNCTIONDTC PARAMETERS
DTC C0550 will be current:
^ The EPS control module detects an internal failure.
When DTC C0550 is current:
^ Service Wrench telltale will be On.
^ The steering assist may be limited.
DIAGNOSTIC AIDS
^ Inspect the power and ground circuits of the EPS control module.
^ If no faults are found with the power and ground circuits, replace the EPS assembly.