Fault Code P0AA1
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0AA1
Hybrid Battery Pack Current Sensor 'A' Circuit
This code indicates a problem with the hybrid battery pack current sensor 'A' circuit, which is responsible for monitoring current flow. A fault can affect battery management.
Part Details
Part Name
Hybrid Battery Current Sensor
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪600 - ₪1,800
Engine Location
Hybrid battery control module
Symptoms
- Check Engine Light on
- Reduced hybrid performance
- Increased fuel consumption
- Battery overcharge/undercharge
Possible Causes
- 1Faulty current sensor
- 2Damaged wiring or loose connector
- 3Corrosion in connectors
- 4Defective Battery Control Module (BCM)
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