P0A98
Hybrid/EV Battery Pack Cooling Fan 2 Stuck On
Generic OBD-II
Common symptoms
What you'll notice
- Check the fuse for the cooling fan circuit and replace if necessary
- Inspect and clean the cooling fan for any debris or obstructions
- Test the cooling fan relay and replace if faulty
- Inspect the wiring and connectors for any damage or loose connections
- If all else fails, replace the cooling fan motor
Common causes
Most likely first
- Faulty cooling fan 2
- Wiring issue or loose connection in the cooling fan 2 circuit
- Faulty cooling fan 2 control module
- Malfunctioning hybrid/EV battery pack temperature sensor
- Issue with the engine control module (ECM) or powertrain control module (PCM) controlling the cooling fan 2 circuit
How to diagnose & fix
Work through it in order
- Overheating of the hybrid/EV battery pack
- Decreased overall performance and power
- Malfunctioning or non
- functional cooling fan
- Increased battery depletion and reduced range
- Possible triggering of warning lights on the dashboard
Read & clear P0A98 yourself
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