The control module judged the Active Grille Air Shutter C Control signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
TuningBot DTC Database · v4.37.15
P2C74 Active Grille Air Shutter C Control Circuit Range/Performance
Generic (OBD-II) interpretation in the TuningBot DTC database.
What P2C74 means
Related and nearby codes
How to read P2C74
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 P2C74
What does P2C74 mean?
Active Grille Air Shutter C Control Circuit Range/Performance. The control module judged the Active Grille Air Shutter C Control signal implausible: it stayed inside electrical limits but did not match the value expected for the current operating conditions.
Is P2C74 generic or manufacturer-specific?
P2C74 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove P2C74 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
