Active Grille Air Shutter B Position Sensor Circuit Range/Performance

Common symptoms

What you'll notice

• Inspect and clean the Active Grille Air Shutter B position sensor circuit to ensure proper connectivity.
• Check for any loose or damaged wiring related to the Active Grille Air Shutter B position sensor and repair or replace as necessary.
• Verify if the Active Grille Air Shutter B position sensor requires calibration or reprogramming, and perform the necessary steps to recalibrate it.
• Replace the Active Grille Air Shutter B position sensor if all other solutions have been exhausted and the issue persists.

Common causes

Most likely first

1. Faulty or dirty Active Grille Air Shutter B Position Sensor
2. Wiring or connection issues with the Active Grille Air Shutter B Position Sensor
3. Failure in the electronic control module (ECM) responsible for controlling the grille air shutter
4. Malfunction in the active grille air shutter mechanism itself
5. Faulty software or programming in the ECM for the Active Grille Air Shutter B Position Sensor.

How to diagnose & fix

Work through it in order

1. Check engine light illumination
2. Engine performance issues, such as reduced power or hesitation
3. Poor fuel efficiency
4. Overheating of the engine
5. Air conditioning system malfunction