Camshaft Position Sensor B Circuit (Bank 1)
A general electrical fault on camshaft position sensor B (typically the exhaust cam) on bank 1 — open, shorted, or out of plausibility. Required for variable valve timing on the exhaust cam.
Affected components
- Camshaft position sensor
Common causes
- High likelihood: Sensor failed
Possible symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.