The P0390 trouble code is associated with the Camshaft Position Sensor “B” Circuit in Bank 2, indicating an issue with the circuit of the camshaft position sensor in the second bank.
P0390 Camshaft Position Sensor “B” Circuit (Bank 2)
Code symptoms P0390.
1. Illuminated “Check Engine” or “Service Engine Soon” light on the dashboard.
2. Irregular engine operation.
3. Poor fuel efficiency.
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P0390.
1. Malfunctioning camshaft position sensor B in Bank 2.
2. Wiring or connection issues in the circuit.
3. Problems with the Engine Control Module (ECM).
Code Solutions P0390.
1. Inspect and, if necessary, replace the malfunctioning camshaft position sensor B in Bank 2.
2. Check for any faults or damages in the wiring or connections of the circuit.
3. If ECM issues are suspected, consult a qualified technician for diagnosis and potential reprogramming or replacement.