P2CBF

PCV Heater B Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine Light Is On
Possible problems with idle speed
Increased oil consumption
Reduced engine performance
Possible starting problems in cold weather

Causes

PCV heater malfunction
Open or short circuit in control circuit
Poor contact in connectors
Engine control module malfunction
Relay or fuse problems

How to Fix

Check the integrity of the PCV heater
Inspect wiring and connectors for damage
Check control circuit voltage
Check the condition of fuses and relays
Replace PCV heater if necessary

Related codes

P2CBA P2CBB P2CBC