OBD-II code · Powertrain (generic)

P00CB Fuel Volume Regulator Solenoid Supply Voltage Control Circuit/Open

Open circuit on the supply voltage feed to the fuel volume regulator solenoid.

Is it safe to drive with P00CB?

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

Common causes

  • Most likelySupply wiring open
  • Less likelyPin pushed back out of connector body
  • Less likelyCracked solder joint inside the module or sensor

Repair at a glance

Difficulty
Medium
DIY friendly
Often, with basic tools
Typical labour
0.3–2 h
Emissions test
Likely to fail
Parts involved
Fvr Supply, Fuse

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