Jeep Grand Cherokee 2026 — technical service bulletin
Bulletin 08-050-26 REV.A · NHTSA communication 11029663 · issued Feb 17, 2026
Technical service bulletin
communication type
Electrical System
component
2026
model years
2
vehicle entries
Official summary
Battery Drain - Restore Vehicle Configuration Customers may experience the following: SYMPTOM: ● Keyless Ignition Node (KIN) stays illuminated after vehicle ignition is OFF. ● Depleted battery. NOTE: Battery depleted due to a 100mA ignition-off draw. , LOP description, Repair Procedure step and note.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.