B Camshaft Position Actuator Temperature Sensor Circuit Bank 2
Generic electrical fault on the temperature sensor of the exhaust camshaft position actuator on bank 2. The camshaft position sensor identifies which cylinder is on the compression stroke — without it the ECM cannot run sequential injection or coil-on-plug ignition correctly.
Affected components
- Cam actuator b temp sensor b2
- Sensor wiring
Common causes
- High likelihood: Temperature 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
- A drive cycle may be required after repair
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.