P22AD

O2 Sensor Positive Current Control Circuit High Bank 1 Sensor 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Increased fuel consumption
Unstable engine operation at idle
Check Engine Light Illuminates
Reduced dynamic characteristics of the vehicle
Increased level of harmful emissions

Causes

Bank 1 Sensor 2 Oxygen Sensor Malfunction
Damage to the wiring harness to the sensor
Short circuit in control circuit
Problems with the engine control module
Corrosion of contacts or connectors

How to Fix

Check the status of the oxygen sensor Bank 1 Sensor 2
Inspect the wiring harness and connectors for damage.
Check control circuit for short circuit
Test the operation of the engine control module
If necessary, replace the oxygen sensor

Related codes

P22AE P22AC P2237