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2019 GMC ACADIA

3.6L V6FWDAUTOMATICgas
2 active safety recalls on this vehicle — view recalls
Repairs0Labor479Torque3852Fluid6DTC971Battery0Maintenance0Recalls2
P0338high severityPowertrain

Crankshaft Position Sensor A Circuit High Input

on 2019 GMC Acadia 3.6L V6 · FWD

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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