P0AAB Possible Causes
- Hybrid battery junction block
- Faulty intelligent battery unit
- Defective HV battery
- Inverter with converter
What Does It Mean?
How to Fix P0AAB Code
Check the “possible causes” listed above. Visually inspect the cable harness and associated connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
P0AAB Possible Symptoms
Check engine light on (or service engine soon warning light)
P0AAB Meaning
The power management control ECU monitors the intelligent battery unit and detects isolation malfunctions in the high voltage system.