P0D1A
Hybrid/EV Battery Pack Coolant Control Valve B Control Circuit/Open
Generic OBD-II
Common symptoms
What you'll notice
- Inspect and replace the hybrid/EV battery pack coolant control valve if malfunctioning.
- Check the wiring and connections of the control circuit for any loose or damaged components.
- Repair or replace any damaged or broken wires or connectors in the control circuit.
Common causes
Most likely first
- Faulty hybrid/EV battery pack coolant control valve
- Damaged wiring or connectors in the B control circuit of the hybrid/EV battery pack coolant control valve
- Low coolant levels in the hybrid/EV battery pack coolant system
- Malfunctioning hybrid/EV battery pack coolant temperature sensor
- Issues with the hybrid/EV battery pack coolant control valve control module
How to diagnose & fix
Work through it in order
- Illumination of the warning light on the dashboard
- Decreased efficiency and vehicle performance
- Overheating of the hybrid/EV battery pack
- Inconsistent or erratic operation of the hybrid/EV system
- Loss of power or complete shutdown of the hybrid/EV system
Read & clear P0D1A yourself
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