OBD-II code · Powertrain (generic, extended)

P2C36 Crankcase Pressure Sensor B Circuit Intermittent/Erratic

The ECM detects a circuit intermittent/erratic fault on the crankcase pressure sensor b circuit. Reading cannot be used reliably for control.

Is it safe to drive with P2C36?

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

Common causes

  • Most likelySensor connector not seated
  • PossibleNoisy ground reference
  • Less likelyConnector with intermittent contact under vibration

Repair at a glance

Difficulty
Easy
DIY friendly
Often, with basic tools
Typical labour
0.3–1.5 h
Emissions test
Likely to fail
After the fix
A drive cycle is needed before the light stays off
Parts involved
Crankcase Pressure Sensor B, Wiring Harness, Ecm

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