OBD-II Code
P0368
Severity
Not yet reviewed
Nobody on our side has assessed this code yet, so we are not going to guess at how serious it is.
Can you drive it
We cannot say
Treat it as unknown until a shop reads it with live data. If the check-engine light is FLASHING, stop driving as soon as it is safe to — that means an active misfire, whatever the code.
Indicative cost (USD)
$120–$600
From this code's diagnostic notes. Varies by vehicle, diagnosis, parts, and local labor. This is not a repair quote.
P0368 is camshaft position sensor B circuit low on bank 1 — the exhaust cam sensor signal voltage is below the expected minimum, meaning either the sensor itself has failed shorted-low, the signal wire is shorted to ground, or the sensor is no longer getting its reference voltage.
How a shop works this
Work from evidence to part, not the other way round. A code names a circuit or a symptom; it does not name the part that failed.
Note every code that is set, not just this one.
Codes that appear together usually narrow the cause faster than any one of them read alone.
Read the freeze frame — the conditions the fault was recorded under.
Cold or warm, idle or load, road speed and engine speed. A fault that only appears cold is a different fault from one that only appears under load, even with the same code on the scanner.
Confirm the fault is current rather than history.
Clear the code and see whether it returns under those same conditions. A code that does not come back may have been logged during a repair, a flat battery, or a bad connection that has since been disturbed.
Then follow the diagnostic notes further down this page, in the order they are written.
They are written in the order a shop works this code, cheapest checks first. Where they name a component, inspect its wiring and connector before replacing it.
If the code comes back after a repair, the underlying fault is still there. That is the point to bring in a scanner with live data and freeze-frame, or a shop that has one.
Common symptoms
- Check engine light
Read the full diagnostic procedureP0368 is camshaft position sensor B circuit low on bank 1 — the exhaust cam sensor signal voltage is below the expected minimum, meaning either the s…
P0368 is camshaft position sensor B circuit low on bank 1 — the exhaust cam sensor signal voltage is below the expected minimum, meaning either the sensor itself has failed shorted-low, the signal wire is shorted to ground, or the sensor is no longer getting its reference voltage.
Diagnostic ladder
- at the sensor connector with key on, verify 5V reference on the power pin and clean ground; if the 5V reference is absent, the wiring or the ECM 5V supply has failed.
- If the 5V reference is present but the signal pin reads 0V or near-0V with the engine running, the sensor is shorted internally and needs replacement.
- Inspect the connector for oil intrusion — leaking valve cover gaskets dump oil into cam sensor connectors and corrode the pins, which is the #1 cause on inline-6 BMWs and dual-VVT Toyotas.
- Caveat: P0368 paired with intermittent stalling and a check-engine light that comes and goes is often a wounded ECM 5V reference output, not the sensor itself — measure the 5V at multiple sensors and look for sag under load before authorizing parts.
Vehicle-specific patternsToyota 2GR-FE V6 dual VVT-i (Camry, Avalon, Highlander, RAV4, 2007-2017) — bank-1 exhaust cam sensor failure or oil-fouled connector from leaking val…
Toyota 2GR-FE V6 dual VVT-i (Camry, Avalon, Highlander, RAV4, 2007-2017) — bank-1 exhaust cam sensor failure or oil-fouled connector from leaking valve cover gasket. BMW N52/N53 inline-6 (E90 328i, E60 530i, 2006-2011) — bank-1 exhaust cam sensor failure from valve cover gasket oil leak saturating the sensor. Mazda Skyactiv-G 2.0L/2.5L (Mazda3, CX-5, 2014+) — exhaust cam sensor failure from heat soak; sensor lives on the back of the head and cooks. Hyundai Theta II 2.4L (Sonata, Santa Fe, 2011-2018) — exhaust cam sensor short-to-ground from harness chafe at the cam cover edge.
Estimated repair$120 to $600.
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