P0054

What it means

The heater resistance of the bank 1, sensor 2 oxygen sensor is outside its specified range. Sensor heater aging or short between heater and signal.

Is it safe to drive?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.

Most likely causes

• Heater element aged

  high

  One of the most commonly reported causes for this code — check this first.

Related help

• Full P0054 diagnosis, causes & costs
• How to read check engine light codes
• Is it safe to drive with the light on?