OBD-II code · Powertrain (manufacturer / generic)
P34AD A Camshaft Position Actuator Position Sensor A Range/Performance Bank 1
Position sensor of intake cam actuator on bank 1 reads implausibly compared to commanded actuator position.
Is it safe to drive with P34AD?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelySensor reading drifted
- Less likelySensor element aged beyond calibration window
- Less likelySensor mounting loose - signal damping
Symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 1.5–6 h
- Emissions test
- Likely to fail
- After the fix
- A drive cycle is needed before the light stays off
- Parts involved
- Cam Actuator A Pos Sensor B1
Related codes
- P2B40A Camshaft Position Actuator Position Sensor B Range/Performance Bank 1
- P2B44A Camshaft Position Actuator Position Sensor B Range/Performance Bank 2
- P2B48B Camshaft Position Actuator Position Sensor B Range/Performance Bank 1
- P2B4CB Camshaft Position Actuator Position Sensor B Range/Performance Bank 2
- P34B1A Camshaft Position Actuator Position Sensor A Range/Performance Bank 2
- P34BDB Camshaft Position Actuator Position Sensor A Range/Performance Bank 1
- P34C1B Camshaft Position Actuator Position Sensor A Range/Performance Bank 2
- P34AAA Camshaft Position Actuator Temperature Sensor Circuit Low Bank 2
- P34ABA Camshaft Position Actuator Temperature Sensor Circuit High Bank 2
- P34ACA Camshaft Position Actuator Position Sensor A Circuit Bank 1
- P34AEA Camshaft Position Actuator Position Sensor A Circuit Low Bank 1
- P34AFA Camshaft Position Actuator Position Sensor A Circuit High Bank 1
- P34B0A Camshaft Position Actuator Position Sensor A Circuit Bank 2
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.