OBD-II code · Powertrain (manufacturer / generic)
P34C6 B Camshaft Position Actuator Control Circuit Driver Current/Temperature Too High Bank 1
Driver stage controlling the exhaust cam position actuator on bank 1 reports overcurrent or overtemperature. 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.
Is it safe to drive with P34C6?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyShort circuit in actuator wiring or coil
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
- 1.5–8 h
- Emissions test
- Likely to fail
- Parts involved
- Cam Actuator B Driver B1, Cam Actuator B B1
Related codes
- P34C4A Camshaft Position Actuator Control Circuit Driver Current/Temperature Too High Bank 1
- P34C5A Camshaft Position Actuator Control Circuit Driver Current/Temperature Too High Bank 2
- P34C7B Camshaft Position Actuator Control Circuit Driver Current/Temperature Too High Bank 2
- P34C3B Camshaft Position Actuator Position Sensor A Circuit High Bank 2
- P34C8Camshaft Position Control Module Performance
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.