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2014 CHEVROLET SILVERADO 1500
5.3L V8 EcoTec3 L83•RWD•AUTOMATIC•gas
6 active safety recalls on this vehicle — view recalls
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Repairs421Labor498Torque4352Fluid8DTC1694Battery1Maintenance0Recalls6
P0385high severityPowertrain

Crankshaft Position Sensor B Circuit Malfunction

on 2014 Chevrolet Silverado 1500 5.3L V8 EcoTec3 L83 · RWD

What this code means

The PCM detected a fault in the crankshaft position sensor B circuit. This sensor is essential for timing ignition and fuel delivery.

Symptoms

  • Check engine light on
  • Hard starting or no-start
  • Stalling or rough running

Common causes

  • Faulty crankshaft position sensor
  • Wiring or connector fault
  • Damaged reluctor ring
  • Faulty PCM

Diagnostic steps

  1. Retrieve codes and freeze frame
  2. Inspect sensor wiring and connector
  3. Check reluctor ring condition
  4. Test and replace sensor if needed
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