Severity: Fix soon. Usually safe to drive for now.
The built-in heater of the oxygen sensor behind the catalytic converter on bank 1 is not drawing the expected current.
Check the fuse and wiring first, then replace the sensor.
Safe to drive. The sensor just warms up slowly.
Generally safe to drive, but get it checked soon. Safe to drive. The sensor just warms up slowly.
The most common causes are: Failed oxygen sensor heater; Blown fuse; Damaged wiring or connector; Failed sensor. A scan tool and a visual check of the parts above is where a technician starts.
Check the fuse and wiring first, then replace the sensor.