P0339 - Crankshaft Position Sensor A Circuit Intermittent

The crankshaft position sensor A signal is cutting in and out intermittently.

Code Overview

The crankshaft position sensor A signal is cutting in and out intermittently.

Common Causes

• Failed crankshaft position sensor A
• Damaged wiring or connector at the crankshaft position sensor A
• Open or short in the circuit

Diagnostic Steps

1. Inspect the crankshaft position sensor A connector and wiring
2. Verify reference voltage, ground, and signal
3. Compare scan data to a realistic known-good reading

Likely Repairs & Cost Guides

Use test results to confirm the fault before pricing the repair.

Related OBD Codes

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Next Steps

Move from the code to a diagnosis path, then into repair pricing once the fault is confirmed.