P05B6
Active Grille Air Shutter B Supply Voltage Circuit Low
Generic OBD-II
Common symptoms
What you'll notice
- Check the wiring and connections related to the Active Grille Air Shutter B Supply Voltage Circuit
- Inspect the Active Grille Air Shutter B for any physical damage or blockage
- Test the voltage output of the Active Grille Air Shutter B Supply Voltage Circuit
- Inspect the vehicle's battery and charging system for any issues that could affect the voltage supply
Common causes
Most likely first
- Faulty or low battery voltage
- Faulty or damaged wiring in the active grille air shutter circuit
- Malfunctioning or damaged active grille air shutter control module
- Obstruction or blockage in the active grille air shutter mechanism
- Defective active grille air shutter motor
How to diagnose & fix
Work through it in order
- Engine misfires or runs rough
- Decreased fuel efficiency
- Trouble starting the vehicle
- Illumination of the check engine light
- Engine overheating
Read & clear P05B6 yourself
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