OBD-II code · Powertrain (manufacturer / generic)
P34A7 A Camshaft Position Actuator Temperature Sensor Circuit High Bank 1
Cam actuator A temperature sensor on bank 1 signal voltage above expected range — short to power or open.
Is it safe to drive with P34A7?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelySignal wire open
- Less likelyConnector pins corroded - high contact resistance
- Less likelySupply wire pinched against B+ source
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
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–3 h
- Emissions test
- Likely to fail
- Parts involved
- Cam Actuator A Temp Sensor B1, Sensor Wiring
Related codes
- P34ABA Camshaft Position Actuator Temperature Sensor Circuit High Bank 2
- P34B7B Camshaft Position Actuator Temperature Sensor Circuit High Bank 1
- P34BBB Camshaft Position Actuator Temperature Sensor Circuit High Bank 2
- P34A4A Camshaft Position Actuator Temperature Sensor Circuit Bank 1
- P34A5A Camshaft Position Actuator Temperature Sensor Range/Performance Bank 1
- P34A6A Camshaft Position Actuator Temperature Sensor Circuit Low Bank 1
- P34A8A Camshaft Position Actuator Temperature Sensor Circuit Bank 2
- P34A9A Camshaft Position Actuator Temperature Sensor Range/Performance Bank 2
- P34AAA Camshaft Position Actuator Temperature Sensor Circuit Low Bank 2
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.