Powertrain
Definition only
Lights the check engine lamp
P34AD: A Camshaft Position Actuator Position Sensor A Range/Performance Bank 1
Standardized SAE J2012 code · P34xx codes
What does P34AD mean?
Position sensor of intake cam actuator on bank 1 reads implausibly compared to commanded actuator position.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Common causes
- High Sensor reading drifted
- Low Sensor element aged beyond calibration window
- Low Sensor mounting loose - signal damping
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P34AD on the same make and model first.
P34AD in the community
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Describe your P34AD problemRelated codes
- P2B40 A Camshaft Position Actuator Position Sensor B Range/Performance Bank 1
- P2B44 A Camshaft Position Actuator Position Sensor B Range/Performance Bank 2
- P2B48 B Camshaft Position Actuator Position Sensor B Range/Performance Bank 1
- P2B4C B Camshaft Position Actuator Position Sensor B Range/Performance Bank 2
- P34B1 A Camshaft Position Actuator Position Sensor A Range/Performance Bank 2
- P34BD B Camshaft Position Actuator Position Sensor A Range/Performance Bank 1
- P34C1 B Camshaft Position Actuator Position Sensor A Range/Performance Bank 2