DTC C0550: Ecu Malfunction: Diagnosis
- Perform DIAGNOSTIC SYSTEM CHECK under DIAGNOSIS & TESTING. Go to next step.
- If any other DTCs than DTC C0550 are set, see DIAGNOSTIC TROUBLE CODE DEFINITIONS table under DIAGNOSIS & TESTING for diagnosis. If no other DTCs than DTC C0550 are set, go to next step.
- Replace EBCM. See ELECTRONIC BRAKE CONTROL MODULE under REMOVAL & INSTALLATION. After repairs, go to next step.
- Using scan tool, clear DTCs. Operate vehicle. If DTC does not reset, system is okay.