P0017: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B)

P0017 means the crankshaft and the exhaust camshaft on bank 1 are not in the correct rotational relationship. The ECU compares the crankshaft position sensor signal to the bank 1 exhaust camshaft position sensor and finds the camshaft timing is off by more than the allowed tolerance. The root cause is typically a stretched timing chain, a failed VVT solenoid for the exhaust cam, or a worn cam phaser.

P0017 è un codice diagnostico di guasto relativo a accensione, classificato con gravità high. Quando la centralina (ECU) del tuo veicolo rileva questa condizione, memorizza P0017 e accende la spia motore.

Se il tuo veicolo ha attivato P0017, potresti notare uno o più di questi sintomi:

• Check engine light illuminated
• Distinct rattle from the front of the engine at cold start (1 to 5 seconds)
• Rough idle, possible misfires
• Hard starting, particularly when warm
• Reduced power and hesitation under acceleration
• Increased fuel consumption

Ecco le cause più comuni di P0017, ordinate in base alla probabilità che siano la causa del problema:

No, risolvi subito il problema. Drive only short distances to reach a workshop. P0017 specifically flags the exhaust camshaft on bank 1 being out of correlation with the crankshaft. On interference engines (most modern petrol designs), a skipped chain can bend valves and destroy the engine. If you hear a cold-start rattle, do not drive further.

Segui questi passaggi per individuare la causa principale di P0017:

1. Check engine oil level and condition. Low or contaminated oil causes 20 to 30 percent of P0017 cases. Top up or change with the manufacturer-specified viscosity and clear the code
2. Listen for a 1 to 5 second rattle from the front of the engine on cold start. This is the classic stretched timing chain symptom and confirms a mechanical fault rather than a sensor issue
3. Use a scan tool to monitor live data. Look at the actual versus commanded exhaust camshaft angle on bank 1. Deviations over 5 to 10 degrees confirm the timing is mechanically off
4. Test the exhaust VVT solenoid with a multimeter. Resistance is typically 6 to 13 ohms. Inspect the mesh screen on the solenoid for debris, which is a common quick fix
5. If the solenoid and oil are good, the timing chain is the next suspect. A workshop can confirm with a timing chain wear measurement or by removing the valve cover to inspect the chain slack

I costi di riparazione di P0017 variano a seconda della causa principale e del tuo veicolo. Ecco le stime tipiche:

P0017 si comporta in modo diverso a seconda del tuo veicolo. Seleziona la tua auto qui sotto per cause specifiche del modello, problemi noti e stime dei costi adeguate:

Questi codici compaiono spesso insieme a P0017 o indicano problemi correlati: