The control module detected that the signal in the Active Grille Air Shutter B Supply Voltage circuit stayed below the expected operating range.
TuningBot DTC Database · v4.37.15
P05B6 Active Grille Air Shutter B Supply Voltage Circuit Low
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P05B6 means
Related and nearby codes
How to read P05B6
Powertrain: engine, transmission and driveline systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about P05B6
What does P05B6 mean?
Active Grille Air Shutter B Supply Voltage Circuit Low. The control module detected that the signal in the Active Grille Air Shutter B Supply Voltage circuit stayed below the expected operating range.
Is P05B6 generic or manufacturer-specific?
P05B6 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P05B6 at file level?
If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
