P2CBD

PCV Heater B Control Circuit /Open

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine Light Is On
Unstable idle speed in cold weather
Increased oil consumption
White smoke from exhaust pipe on cold start
Reduced engine power

Causes

PCV heater power supply circuit open
Heating element malfunction
Problems with the relay or circuit fuse
Short circuit in wiring harness
Engine control unit malfunction

How to Fix

Check heater circuit fuse and relay
Check the integrity of wires and connections
Measure the resistance of the heating element
Replace faulty PCV heater
Replace wiring harness if necessary

Related codes

P2CBE P2CBF P2CBC