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2012 CHEVROLET EXPRESS

4.3L V6 VortecRWDAUTOMATICgas
6 active safety recalls on this vehicle — view recalls
Repairs0Labor506Torque4947Fluid7DTC952Battery1Maintenance0Recalls6
P0338high severityPowertrain

Crankshaft Position Sensor A Circuit High Input

on 2012 Chevrolet Express 4.3L V6 Vortec · RWD

What this code means

High signal from CKP sensor.

Symptoms

  • Check Engine Light
  • No start
  • Erratic operation

Common causes

  • Short to voltage
  • Faulty sensor
  • Wiring issue

Diagnostic steps

  1. Test signal voltage
  2. Check for shorts to power

Repair notes

Replace sensor or repair wiring.

Other Powertrain codes on this vehicle

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