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Home >> Jeep >> 2019 >> Grand Cherokee Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 117 ((Adaptive Front Lighting System Module - Electrical Diagnostics)) >> DTC Troubleshooting >> U1221-00-Lost Communication With Left Headlamp Module >> When Monitored
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When Monitored

WARNING: This page is about a different car, the 2018 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

With the ignition on, headlamps on.

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