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2020 GMC ACADIA

2.5L I4AWDAUTOMATICgas
6 active safety recalls on this vehicle — view recalls
Repairs0Labor593Torque5041Fluid9DTC971Battery0Maintenance0Recalls6
P0337high severityPowertrain

Crankshaft Position Sensor A Circuit Low Input

on 2020 GMC Acadia 2.5L I4 · AWD

What this code means

Low or no signal from CKP sensor.

Symptoms

  • No start
  • Stalling
  • Erratic tachometer

Common causes

  • Faulty sensor
  • Short to ground
  • Wiring open
  • Corroded connector

Diagnostic steps

  1. Test sensor signal
  2. Check for shorts
  3. Inspect wiring and connector

Repair notes

Replace CKP sensor or repair wiring.

Other Powertrain codes on this vehicle

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