1999 BMW 528IT E39

2.8L I6 M52 TouringRWDAUTOMATICgas
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P0020moderate severityPowertrain

Intake Camshaft Position Actuator Circuit/Open Bank 2

on 1999 BMW 528iT E39 2.8L I6 M52 Touring · RWD

What this code means

The PCM detected a malfunction in the intake camshaft position actuator circuit for Bank 2.

Symptoms

  • Check Engine Light
  • Rough idle
  • Reduced power
  • Startup rattle

Common causes

  • Faulty VVT solenoid Bank 2
  • Wiring damage
  • Low oil level
  • PCM failure

Diagnostic steps

  1. Test VVT solenoid resistance
  2. Inspect wiring
  3. Check oil level
  4. Command solenoid with scan tool

Repair notes

Replace VVT solenoid Bank 2 or repair wiring.

Other Powertrain codes on this vehicle

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