HINO · 2026-06-02
TT-26-003 COE HV Battery Thermistor DTC P3001 - TC43 When servicing a COE Hybrid with the HV light on and code P3001 - TC43 set. Diagnosis has led to replacing the Battery ECU and/or the HV Battery. We have found that replacing the HV Battery Thermistor has resolved this concern in most cases. Certain 13MY – 20MY Hybrid Cab-Over equipped with a J05