P0015moderate severityPowertrain

Exhaust Camshaft Position Timing Over-Retarded Bank 1

on 2012 Chevrolet Silverado 1500 5.3L V8 Vortec · 4WD

What this code means

The exhaust camshaft timing for Bank 1 is more retarded than commanded by the PCM.

Symptoms

  • Check Engine Light
  • Loss of power
  • Rough idle
  • Poor emissions

Common causes

  • VVT solenoid failure
  • Low oil pressure
  • Oil sludge
  • Timing chain wear

Diagnostic steps

  1. Check oil level and condition
  2. Test VVT solenoid
  3. Monitor cam position
  4. Check oil pressure

Repair notes

Replace VVT solenoid or service timing system.

Other Powertrain codes on this vehicle

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