OBD-II code · Powertrain (generic, extended)

P2B38 A Camshaft Profile Actuator B Control Circuit High Bank 2

The control circuit of camshaft profile actuator B on the intake side of bank 2 reports a control circuit high condition. Cam profile B (high-lift or VTEC-style) cannot be commanded reliably.

Is it safe to drive with P2B38?

The car may go into limp mode (reduced power). Get it diagnosed before a long trip.

Common causes

  • Most likelyControl wire shorted to B+
  • PossibleOpen 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
A Camshaft Profile Actuator B B2, Wiring Harness, Ecm

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.