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VAG 16723Crankshaft position sensor A circuit intermittent
16723 is the VW Group 5-digit number VCDS (and older VAG-COM versions) shows for P0339. P0339 means “Crankshaft position sensor A circuit intermittent”. It's a generic powertrain code (ignition system or misfire), so it means the same on every make, including VW, Škoda, Audi, SEAT and Cupra.
- Urgent
- SystemEngine sensors
- TypeGeneric (same on all makes)
- VCDS number16723
How urgent is it?
Can affect safety or cause damage if ignored: get it checked soon.
Which system and module
Scanline files it under Engine sensors. The first letter, P, means powertrain (engine, transmission, emissions).
Usually stored by the engine control unit (VCDS address 01, Engine).
What usually causes it
- Crank sensor
- wiring
- reluctor ring
Typical causes are a starting point, not a diagnosis of your car.
Related codes
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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.