Camshaft Position Sensor 'B' Circuit Range/Performance Problem (Bank 2)
There's an issue with the camshaft position sensor for bank 2.
Heads up: this code wasn't in our hand-written library yet, so DiagCoach AI built this page on the fly. Double-check critical specs against service info before condemning parts.
What it means (plain English)
The computer isn't getting a good read on the position of the camshaft on bank 2, which can mess with timing and performance.
What the computer is actually seeing
The Engine Control Module (ECM) expects a certain voltage signal from the camshaft position sensor. A variance beyond +- 0.5 volts of the normal range indicates a problem.
What a healthy reading looks like
On a properly functioning camshaft sensor, voltage should be between 0.5V to 4.5V depending on position. The frequency of the signal should be a steady pulse at idle, ideally around 0-60 Hz.
Guided diagnostic — the DiagCoach way
Don't just throw parts at it. Walk through these in order — each step tells you whether to keep going or stop and fix what you found.
- 11. Check wiring and connectors to the camshaft position sensor for damage or corrosion. Repair as necessary.
- 22. Measure the voltage at the camshaft position sensor connector with the key in the ON position. Expected should be between 0.5V and 4.5V. If outside this range, consider replacing the sensor.
- 33. Test the sensor's signal by using a scope or a scan tool to check for a consistent signal at idle. If the signal is erratic or non-existent, replace the sensor.
- 44. Inspect the timing chain or belt for proper tension and alignment. Any issues found here could indicate further problems. Repair as needed.
Common causes
- Faulty camshaft position sensor
- Damaged wiring or connectors
- Timing chain/belt issues
- Oil contamination affecting sensor operation
Typical repair cost
$$$
Related codes
Frequently asked questions
Can I drive the vehicle with this code?
Yes, it's drivable but performance may be affected, so fix it soon.
Will this code come back after I clear it?
If the problem isn't fixed, it likely will.
Why does this code pair with P0340?
Both codes deal with camshaft position sensors, so issues with either can cause them to trigger each other.
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