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1993-2001 SUBARU IMPREZA
2.2L H4•AWD•AUTOMATIC•gas
6 active safety recalls on this vehicle — view recalls
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Repairs0Labor506Torque4349Fluid9DTC1635Battery1Maintenance0Recalls6
P0396moderate severityPowertrain

Camshaft Position Sensor B Circuit High (Bank 2)

on 1993-2001 Subaru Impreza 2.2L H4 · AWD

What this code means

The PCM sees an abnormally high signal from the camshaft position sensor on bank 2, sensor B. This can throw off valve timing readings and affect fuel and spark control.

Symptoms

  • Check engine light on
  • Rough or stalling engine
  • Reduced power

Common causes

  • Faulty camshaft position sensor
  • Damaged wiring or connector
  • Reluctor/tone ring damage
  • Bad PCM

Diagnostic steps

  1. Scan and confirm code with freeze frame
  2. Inspect sensor wiring and connectors
  3. Check sensor signal with scope or meter
  4. Replace sensor and retest
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