TorqueMech OBD Code Guide
P0339 - Crankshaft Position Sensor A Circuit Intermittent
The crankshaft position sensor A signal is cutting in and out intermittently.
Code first. Confirm symptoms and checks before pricing parts.
Read code pattern
Check likely system
Estimate after confirmation
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
- Inspect the crankshaft position sensor A connector and wiring
- Verify reference voltage, ground, and signal
- Compare scan data to a realistic known-good reading
Related OBD Codes
Browse nearby codes when systems overlap.
Next Steps
Move from code to checks, then estimate.