Hybrid vehicles have come to be very common on the roads and in your shop. Many of them are very similar to their non-hybrid versions and have the same issues. Follow this Real Fix to see how a code P068A was diagnosed and repaired on this Ford Fusion.
Vehicle
2011 Ford Fusion Hybrid 2.5L
Title
P068A, Replaced 12V Battery
Complaint
The customer states the check engine light is on.
Cause
Connected a scan tool and found code P068A – ECM/PCM Power Relay De-Energized Performance – Too Early. Inspected the ECM/PCM power relay and found no faults. Key on, engine off, used a multi-meter to inspect for voltage and ground at the ECM/PCM power relay terminals and found ground was present but voltage was below the specified 12 volts. Inspected the ECM/PCM power relay wiring and connections, but found no obvious faults. Used the multi-meter to measure the voltage across the battery terminals and found the measured voltage was below the specified range. Used a battery conductance tester to test the battery, and found the battery was unable to conduct the specified amount of current, which verified it was defective.
Correction
Replaced the battery, cleared codes, performed a road test and verified the vehicle operated properly. The check engine light did not illuminate and no fault codes returned.
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