Inspect the wiring and connections for any damage or loose connections.
Check the control module for any fault codes and reset if necessary.
Test and replace the Active Grille Air Shutter B Control Circuit High sensor if it is found to be faulty.
Inspect the air intake system for any obstructions or debris that may be causing the issue.
If all previous steps fail to resolve the issue, consider replacing the control module responsible for the Active Grille Air Shutter B Control Circuit High.
?Possible causes
Faulty grille air shutters
Issues with the control circuit
Malfunctioning sensor or sensor circuit
Wiring or connection problems related to the control circuit
Engine or vehicle computer malfunction
✓Possible solutions
Engine stalling or rough idling
Decreased fuel efficiency
Malfunctioning cooling system
Overheating of the engine
Illumination of the check engine light
Free on OBD DashX
P05B3 on OBD DashX
Real-world causes, how often this code shows up, and the fix — step by step.
Open P05B3No sign-up needed · available in 10 languages
Search fault codes
Scan your own car
Read and clear fault codes, live data and service resets with the CaRPM app.