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2021 BENTLEY BENTAYGA
6.0L W12 Twin Turbo•AWD•AUTOMATIC•gas•turbo
7 active safety recalls on this vehicle — view recalls
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Repairs0Labor489Torque1727Fluid10DTC1820Battery1Maintenance0Recalls7
P0394moderate severityPowertrain

Camshaft Position Sensor B Circuit Intermittent (Bank 2)

on 2021 Bentley Bentayga 6.0L W12 Twin Turbo · AWD

What this code means

The Bank 2 camshaft position sensor B produces an intermittent signal. Faults may appear only under vibration or heat.

Symptoms

  • Intermittent stalling
  • Occasional MIL
  • Random rough running

Common causes

  • Loose or corroded connector
  • Chafed wiring
  • Faulty camshaft position sensor
  • Damaged tone wheel

Diagnostic steps

  1. Check stored and pending codes
  2. Wiggle-test harness while monitoring signal
  3. Inspect connector and sensor mounting
  4. Repair wiring or replace sensor
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