P0A99 Possible Causes
- Hybrid battery pack cooling fan 2 faulty
Hybrid battery cooling fan 2 circuit open or shorted
Poor electrical connection in hybrid battery cooling fan 2 circuit
What Does It Mean?
How to Fix Code P0A99
Check the “possible causes” listed above. Visually inspect related wiring harnesses and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
P0A99 Possible Symptoms
Check engine light illuminated (or service engine soon warning light)
P0A99 Meaning
The engine control module (ECM) monitors the hybrid battery pack cooling fan 2. The ECM sets the OBDII code when the hybrid battery pack cooling fan 2 does not meet factory specifications.