2021 Jeep Grand Cherokee L electrical system problems

27 owner complaints filed with NHTSA name the electrical system on the 2021 Jeep Grand Cherokee L — 35% of all complaints for this model year.

Electrical System complaints

35%

share of all complaints

—

median reported incident mileage

0 / 0

crash / fire reports

What owners report

“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…”
filed Sep 16, 2026
“A vehicle was purchased at McLarty Daniel Chrysler Bentonville, AR. The sales department had a third party install a non-oem windshield. Dealer attempted repairs, but the records show discrepancies of statements and record. The dealer ignored the instructions to recalibrate the windshield, though…”
filed Aug 14, 2026

Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.

Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
9100902 · Service Bulletin/Repair Instructions · issued Sep 8, 2026
Rotary Shifter Lights Blinking, Shifter Not Moving, Not Going Into Gear.
S2623000001 REV.A · Service Bulletin/Repair Instructions · issued Aug 26, 2026
Display Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders, Warranty, Mopar, Customer Pay and Service Contract. Order "68" part number for New, Unsold units only.
9100866 · Service Bulletin/Repair Instructions · issued Jul 14, 2026
Before replacing any part, check the DOT on the glass or the PN to make sure you choose the replacement part from the correct supplier: DOT 615 - 6NC10TRMAH - CIE Supplier DOT 1038 - 6NC07TRMAR - CIE Supplier DOT 1065 -…
9100859 · Service Bulletin/Repair Instructions · issued Jul 10, 2026