OBD-II code · Powertrain (generic)

P002B B Camshaft Profile Actuator A Control Circuit Low Bank 1

Low control voltage at the exhaust cam profile actuator (profile A, bank 1). Short to ground in wiring or coil.

Is it safe to drive with P002B?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyWiring shorted to ground
  • Less likelyConnector pins corroded - high contact resistance
  • Less likelyHarness chafing through insulation

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
0.5–4 h
Emissions test
Likely to fail
Parts involved
Cam Profile Actuator Exhaust, Actuator Wiring

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