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Diagnose/P0338
P0338High SeverityEngine

Crankshaft Position Sensor A Circuit High Input

What This Means

The crankshaft position sensor signal is above the expected voltage range, potentially causing erratic engine timing calculations.

Common Symptoms

  • Erratic engine operation
  • Timing issues
  • Check engine light on
  • Possible stalling

Common Causes

  • Short circuit in sensor wiring
  • Faulty sensor
  • Electrical interference
  • Wiring shorted to voltage
  • PCM issue

Estimated Repair Cost

$150 – $500
Parts and labor (varies by vehicle and location)
Difficulty:Moderate

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.