Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC Description
DTC DETECTION LOGIC
Active grille shutter normally stops within zone
which is defined by zone
(90°±20°).
If the active grille shutter stops within zone
stuck error is detected, and if the active grille shutter stops at position beyond zone
overrun error is detected.
| DTC | CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
| P159F-00 | ACTIVE GRILLE AIR SHUTTER A (Active grille air shutter A) | Diagnosis condition | - |
| Signal (terminal) | - | ||
| Threshold | Detects the malfunction of initial position learning or operational malfunctions for specified times. | ||
| Diagnosis delay time | - | ||
POSSIBLE CAUSE
Foreign objects interferes with active grille shutter
FAIL-SAFE
Not applicable
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.