Engine-Codes -
Generic -
P0AAA
P0AAA - Hybrid Battery Voltage Isolation Sensor Circuit High
Table of contents
P0AAA Possible Causes
- Hybrid battery junction block
- Faulty Battery Smart Unit
- Faulty HV Battery
- Inverter With Converter Assembly
How do I fix code P0AAA?
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.Cost of diagnosing the P0AAA code
Labor: 1.0
The cost of diagnosing the P0AAA code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P0AAA Meaning
The power management control ECU monitors the battery smart unit and detects insulation malfunctions in the high-voltage system.P0AAA More Information
Need more information on how to fix the P0AAA code?Get Access to Factory Service Manuals
Information for specific makes
- P0AAA BUICK Hybrid/EV Battery Voltage Isolation Sensing Circuit 1 High Voltage
- P0AAA CADILLAC Hybrid/EV Battery Voltage Isolation Sensing Circuit 1 High Voltage
- P0AAA CHEVROLET Hybrid/EV Battery Voltage Isolation Sensing Circuit 1 High Voltage
- P0AAA GMC Hybrid/EV Battery Voltage Isolation Sensing Circuit 1 High Voltage
- P0AAA LEXUS Hybrid Battery Voltage Isolation Sensor Circuit High
- P0AAA NISSAN Hybrid Battery Voltage Isolation Sensor Circuit High
- P0AAA TOYOTA Hybrid Battery Voltage Isolation Sensor Circuit High