P0A0A Possible Causes
- Faulty high voltage system interlock
- High voltage system interlock circuit open or shorted
- Poor electrical connection in high voltage system interlock circuit
What Does It Mean?
Initial Diagnosis of P0A0A Code
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.
P0A0A Possible Symptoms
Illuminated check engine light (or service engine soon warning light)
P0A0A Description
The diagnostic trouble code (DTC) monitors the detected voltage when the control voltage is high to determine if the circuit is faulty.
OBDII Code P0A0A – High Voltage System Interlock Circuit