Code result
P2C77
Active Grille Air Shutter D Control Circuit Range/Performance
Moderate severity
What it means
The control circuit of active grille air shutter D reports a range/performance condition. Actuator response or current draw outside calibration.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Actuator response slower than expected
highOne of the most commonly reported causes for this code — check this first.
High-resistance contact in connector
mediumA plausible cause — test and verify before replacing parts.
Sensor element aged beyond calibration window
lowLess common, but worth ruling out after the more likely causes.
Related help
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