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Generic (SAE)Audi Valvetrain / timing

P0340 on Audi: Camshaft Position Sensor A Circuit (Bank 1)

Diagnostic trouble code P0340 on Audi vehicles — what it means, the common causes, and how to confirm the real fault before replacing parts.

What does P0340 mean?

P0340 indicates: Camshaft Position Sensor A Circuit (Bank 1). This relates to the Valvetrain / timing / Camshaft position sensor system.

Common causes of P0340

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A code is a symptom, not a diagnosis. AutoDX Pro cross-checks several independent assessments, pinpoints the actual root cause, gives you the exact tests to confirm it, and shows the parts — only after the cause is confirmed. Reads your scan-tool photo and decodes your VIN with open recalls.

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P0340 — frequently asked questions

What does P0340 mean on an Audi?
P0340 is a diagnostic trouble code: Camshaft Position Sensor A Circuit (Bank 1).
What are the common causes of P0340 on an Audi?
Common causes include: Failed CMP sensor, Wiring/connector, Timing component. The exact cause depends on the vehicle — confirm it before replacing parts.
Can I keep driving an Audi with P0340?
It depends on the fault and your symptoms. Some causes are minor, others can damage components or affect safety. Get the root cause confirmed before deciding.
How do I fix P0340 on an Audi?
Confirm the actual root cause with targeted tests first, then replace only the part that's at fault. AutoDX Pro gives you the root cause, the exact tests, and the parts for P0340 on your specific Audi.

P0340 on other makes

All makesVolkswagenBMWMercedesPorsche

Related codes

P0300P0301P0302P0303P0304P0307