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Home/DTC Codes/GMC/Envoy/2002-2009 4.2L I6/P0337
P0337

Crankshaft Position Sensor A Circuit Low Input

2002-2009 GMC Envoy 4.2L I6

High SeverityPowertrainGeneric (SAE)

Description

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.

Related Codes

P0335Crankshaft Position Sensor A CircuitP0338Crankshaft Position Sensor A Circuit High Input

Other Powertrain Codes

P0337 on Other Vehicles

GMC Acadia

2017-2024 2.5L I4

GMC Acadia

2017-2024 3.6L V6

GMC Canyon

2004-2012 2.8L I4

GMC Canyon

2004-2012 3.5L I5

GMC Canyon

2007-2012 2.9L I4

GMC Canyon

2007-2012 3.7L I5

GMC Canyon

2015-2022 2.8L I4 Duramax Diesel

GMC Canyon

2015-2022 3.6L V6

Common Questions

What does code P0337 mean on a 2002-2009 GMC Envoy?

P0337 stands for "Crankshaft Position Sensor A Circuit Low Input". Low or no signal from CKP sensor.

What are the symptoms of P0337 on a GMC Envoy?

Common symptoms of P0337 include: No start, Stalling, Erratic tachometer.

What causes P0337 on a 2002-2009 GMC Envoy?

Common causes of P0337 include: Faulty sensor, Short to ground, Wiring open, Corroded connector.

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