OBD-II code · Powertrain (generic, extended)
P2B3D B Camshaft Profile Actuator B Control Circuit Low Bank 2
The control circuit of camshaft profile actuator B on the exhaust side of bank 2 reports a control circuit low condition. Cam profile B (high-lift or VTEC-style) cannot be commanded reliably.
Is it safe to drive with P2B3D?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyControl wire shorted to ground
- PossibleInternal short in actuator coil
- Less likelyConnector pins corroded - high contact resistance
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
- Best left to a mechanic
- Typical labour
- 1–4 h
- Emissions test
- Likely to fail
- Parts involved
- B Camshaft Profile Actuator B B2, Wiring Harness, Ecm
Related codes
- P001BA Camshaft Profile Actuator A Control Circuit Low Bank 1
- P001EA Camshaft Profile Actuator A Control Circuit Low Bank 2
- P002BB Camshaft Profile Actuator A Control Circuit Low Bank 1
- P002EB Camshaft Profile Actuator A Control Circuit Low Bank 2
- P2B34A Camshaft Profile Actuator B Control Circuit Low Bank 1
- P2B37A Camshaft Profile Actuator B Control Circuit Low Bank 2
- P2B3AB Camshaft Profile Actuator B Control Circuit Low Bank 1
- P2B3BB Camshaft Profile Actuator B Control Circuit High Bank 1
- P2B3CB Camshaft Profile Actuator B Control Circuit/Open Bank 2
- P2B3EB Camshaft Profile Actuator B Control Circuit High Bank 2
- P2B3FA Camshaft Position Actuator Position Sensor B Circuit Bank 1
- P2B40A Camshaft Position Actuator Position Sensor B Range/Performance Bank 1
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.