2021 Jeep Grand Cherokee L Exterior lighting Problems

“The manufacturer closed Safety Recall Y72 on my vehicle stating a software update resolved the headlight hazard. However, the safety defect is actively occurring. During rain, moisture enters the headlamp assembly, causing the headlight to flash uncontrollably and sending severe electronic glitch signals across the dashboard. This creates a sudden, dangerous visibility hazard while driving. I have attached an official Mopar wiTECH 2.0 diagnostic scan tool report dated September 2026. …”

“My 2021 Jeep Grand Cherokee L experienced a complete failure of the passenger-side headlamp assembly at approximately 70k miles. The entire passenger-side headlamp became inoperative,not just one individual light. I received no headlamp out or exterior lighting warning on the instrument panel. At exactly the same time that the headlamp failed, the vehicle's odometer began flashing. Diagnostic scanning identified fault codes B22204-87 and U1222-00. Disconnecting the battery did not restore the headlamp or correct the flashing odometer. …”

“While driving on a public road with my two small children my Jeep suffered a sudden and catastrophic 100% total electrical blackout. The vehicle electrical system glitched, the engine shut down, the steering failed and the wheels locked up completely, leaving me stranded in a active intersection with non working hazardous lights. the vehicle completely lost auxiliary and safety circuits. There was zero warning of any sort on my dash prior to this happening, leaving me and my two small children in danger. The vehicle was towed to the dealership where I purchased it in February of 2026. …”

“High Beam Headlights not working on Auto mode. Was inches away from Hitting a deer due to the high beam headlights not working. This would have been a very serious accident and I had my toddler in the car with me..... Same vehicle models have a recall for this, Recall is --- NHTSA Recall 21V-797, also known as Recall Y66, involves Chrysler (FCA US, LLC) vehicles due to a potential issue with difficulty activating high beams. The recall was issued because the high beam activation mechanism may not function as required by Federal Motor Vehicle Safety Standard (FMVSS) No. …”

“The contact owns a 2021 Jeep Grand Cherokee L. The contact stated that the front driver’s-side headlight intermittently failed to operate while driving. The vehicle was taken to an independent mechanic, where the contact was informed that the headlight module needed to be replaced to fix the headlight. The Left Headlamp Needs Service message was displayed, and the headlight became inoperable. Upon investigation, the contact became aware of NHTSA Campaign Number: 21V950000 (Exterior Lighting); however, the service record indicated that the headlight was inspected but was not repaired. …”