P2DA0

High Voltage System Performance

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$167–1111 (est.)

Symptoms

Reduced vehicle power
Warning messages on the dashboard
Problems with charging a high-voltage battery
The car goes into emergency mode
Unusual sounds from the engine compartment

Causes

Damage to high voltage cables
High voltage battery fault
Problems with the inverter or voltage converter
Failure of the high-voltage component cooling system
Software errors in the control module

How to Fix

Diagnostics of a high-voltage system using special equipment
Checking the integrity of high-voltage cables and connectors
Testing the condition of the high-voltage battery
Checking the operation of the inverter and voltage converter
Updating the control module software
Repair only from an authorized dealer

Related codes

P0AA6 P1E00 P2D00