P0AA1 – Hybrid Battery Positive Contactor Circuit Stuck Closed
Code P0AA1 Possible Causes
Faulty System Main Relay
System Main Relay circuit poor electrical connection
System Main Relay harness is open or shorted
Faulty HV control ECU
Need help with this code? Our mechanics are available within west Michigan to help. Outside of our service area? Visit our Car Help Section where you can ask questions and get answers.