P0ACE OBD-II: Hybrid Battery Temperature Sensor "C" Circuit Intermittent/Erratic

P0ACE Severity

Urgent

Should you fix P0ACE yourself?

Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.

Proper diagnosis will save you time and money on unnecessary repairs.

Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.

Schedule Diagnosis

What causes OBD-II fault code P0ACE?

The hybrid battery pack uses multiple sensors to monitor the temperature of each battery cell. If one of the battery temperature sensors reports an implausible temperature, code P0ACE will set.If multiple sensors fail, the High Voltage System may be disabled.

Need a P0ACE diagnosis? Trust our experts.

RepairPal Certified shops provide expert diagnostics and repairs with transparent upfront pricing and a minimum 12-month or 12,000-mile warranty on all services.

OBD II Fault Code

  • OBD II P0ACE

OBD-II Code High voltage control module failure is defined as a Hybrid Battery Temperature Sensor "C" Circuit Intermittent/Erratic

The hybrid battery pack uses multiple sensors to monitor the temperature of each battery cell. If one of the battery temperature sensors reports an implausible temperature, code P0ACE will set.If multiple sensors fail, the High Voltage System may be disabled.

Common Problems That Trigger the P0ACE Code

  • Battery Control Module Failure
  • High voltage battery assembly failure
  • High voltage control module failure
RepairPal Car Genius

Ask our experts about P0ACE.

RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.

 Auto Repair Expert Auto Repair Expert

Call us at 877-913-1554

Available 9am – 6pm ET Monday through Friday

Call Our Experts