The P0393 trouble code is associated with the Camshaft Position Sensor “B” Circuit High in Bank 2, indicating a high voltage condition in the circuit of the camshaft position sensor in the second bank.
P0393 Camshaft Position Sensor “B” Circuit High (Bank 2)
Code symptoms P0393.
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 P0393.
1. High voltage condition in the camshaft position sensor B circuit in Bank 2.
2. Wiring or connection issues in the circuit.
3. Problems with the Engine Control Module (ECM).
Code Solutions P0393.
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.