Camshaft Position Sensor B Circuit High Bank 2

Where it lives

For P0393, the sensor sits on the circuit this code reports. The description of P0393 puts it on bank 2.

Check these first

• A short to power on the bank 2 sensor B signal wire
• A broken sensor B ground on bank 2
• A failed camshaft position sensor B on bank 2
• A chafed harness shorting sensor B to another circuit
• A loose sensor B mounting bracket on bank 2

What to do next

1. Check the bank 2 sensor B signal wire for voltage with the sensor unplugged
2. Test the sensor B ground for an open
3. Inspect the bank 2 harness where it rubs the engine
4. Check the sensor B mounting bracket for looseness
5. Replace camshaft position sensor B if the wiring tests good
6. Clear the code and retest

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