VAG • PR •
A3A
Category: Engine Electronics
Standard ECU coding
Default ECU coding parameters.
PR code A3A specifies standard ECU coding.
Want the full factory build sheet for your car?
Get a complete VehicleDataSheet (options, equipment, specs) for your VIN.
Related PR codes
- PR M7A — Updated engine control software
- PR M6A — Standard ECU diagnostics
- PR M3A — Standard engine software
- PR M1A — Standard engine control unit
Frequently Asked Questions
What does PR code A3A mean?
PR code A3A is a factory equipment code used by VAG to describe a specific vehicle configuration or component.
Where can I find PR code A3A on my car?
This code is typically found in the vehicle’s factory build data, service documentation, or can be confirmed by decoding the VIN.
Does PR code A3A affect maintenance or parts?
Yes. Factory codes determine correct parts selection, software compatibility, and service procedures for your exact vehicle configuration.
How can I verify PR code A3A for my vehicle?
The most reliable way is to order a complete Vehicle Data Sheet decoded directly from your vehicle’s VIN.