[amidgeha]

Hybrid Battery Negative Contactor Circuit Stuck Open

The SMRs (System Main Relays) connect and disconnect the high-voltage power supply circuit in accordance with requests from the HV control ECU. To ensure

Cause:
Faulty System Main Relay
System Main Relay harness is open or shorted
System Main Relay circuit poor electrical connection
Faulty HV control ECU

Symptoms:
Check engine light