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VAG 16984Serial communication link
16984 is the VW Group 5-digit number VCDS (and older VAG-COM versions) shows for P0600. P0600 means “Serial communication link”. It's a generic powertrain code (control module and outputs), so it means the same on every make, including VW, Škoda, Audi, SEAT and Cupra.
- Fix soon
- SystemElectronics
- TypeGeneric (same on all makes)
- VCDS number16984
How urgent is it?
Worth fixing soon; usually drivable meanwhile, but watch for symptoms.
Which system and module
Scanline files it under Electronics. The first letter, P, means powertrain (engine, transmission, emissions).
Usually stored by the engine control unit (VCDS address 01, Engine).
What usually causes it
- Internal module communication
- wiring
Typical causes are a starting point, not a diagnosis of your car.
Related codes
Got this code on your car?
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Open ScanlineScanline explains fault codes; it isn't a repair authority. This page explains what the code means; it can't tell you what is wrong with your car. Ross-Tech's wiki has their own notes on VW Group faults.