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P0338

Overview

Code

P0338

Code Type

P

Code Class

P0

System

Engine

Severity Level

High

Emissions Related

true

Drivability Impact

Major

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0338 indicates a high input signal from the crankshaft position sensor circuit

Symptoms

Check Engine Light illuminated; Engine hesitation

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

High crankshaft signal disrupts engine synchronization and timing

Possible Causes

Sensor short to voltage; Faulty crankshaft sensor

Diagnostic Steps

1 Confirm the code; 2 Inspect wiring for shorts to voltage; 3 Monitor crankshaft signal voltage

Drive Safety Notes

Driving may be possible, but engine performance may be unstable

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