P0343 - Camshaft Position Sensor A Circuit High Input (Bank 1 or Single Sensor)

Camshaft position sensor A signal is too high.

Code Overview

Camshaft position sensor A signal is too high.

Common Causes

• Open circuit
• Short to voltage
• Sensor fault
• Connector issue

Diagnostic Steps

1. Inspect the circuit for an open or rubbed-through wire
2. Check connector tension and corrosion
3. Compare cam signal to expected KOEO values

Likely Repairs & Cost Guides

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

Related OBD Codes

Browse the closest code-family pages when the same fault pattern often shows up nearby.

Next Steps

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