Reset a Frozen Infotainment Screen

A frozen Uconnect screen on the Jeep Grand Cherokee (WK2, 2011–2022) — stuck Jeep logo, black display, or taps that do nothing — can usually be cleared with a knob reboot from the driver’s seat. One important catch on this long-lived generation: the two-knob soft reset works on pre-2018 cars, but Jeep changed the head unit for the 2018 facelift, so the method differs by year. The soft reboot keeps all your data.

Which Uconnect is in your WK2 — and why the year matters

• 2011–2017 (Uconnect 5.0 / 8.4 / 8.4N) — has a volume knob left and a tuner knob right. The two-knob soft reboot works.
• 2018–2022 facelift (Uconnect 4 / 4C, 7.0in or 8.4in) — Jeep removed the held-knob soft-reset shortcut on these. The knob hold often does nothing, so you fall back to a power-cycle or fuse pull.

If your WK2 is a 2018 or later and the knob trick is ignored, that is expected behaviour, not a fault — skip to “If it stays frozen”.

Soft reset — 2011–2017 (keeps all your data)

1. Put the Grand Cherokee in Park and turn the ignition to RUN (press Start without the brake to reach RUN on keyless cars).
2. Press and hold the volume knob (left) and the tuner knob (right) simultaneously.
3. Hold for 10 to 20 seconds — do not let go early.
4. The screen flashes the Jeep logo and goes dark. Release the knobs.
5. Wait about 30–60 seconds for the full reboot before touching the screen.

This is safe — no data loss

The knob reboot is the factory soft reset. It restarts only the infotainment software, so Bluetooth pairings, your phone book, radio presets, navigation favourites and display settings are all kept. Nothing is erased.

If it stays frozen (or you have a 2018+ WK2)

• On pre-2018 cars, retry the hold and count a full 20 seconds before judging it failed.
• Turn the Grand Cherokee fully off, open the driver’s door, wait 2–3 minutes so the radio module sleeps, then restart.
• For 2018+ cars where the knob trick is gone, the reliable reboot is a fuse pull: locate the radio/Uconnect fuse in the cabin or engine-bay box (see the owner’s manual chart), pull it for 30 seconds, and refit.
• Disconnect the negative battery terminal for 15 minutes as a full power-cycle of the whole electrical system.
• Check for a pending Uconnect software update — WK2 units that freeze repeatedly are often a version behind.

Factory reset (erases your data)

Use only if a reboot will not hold. This wipes pairings, presets and personal settings.

• Uconnect 8.4 (pre-2018): press and hold the temperature Up and Down buttons together for about 5 seconds until a service menu appears, then pick Reset to Factory Settings and wait ~30 seconds.
• Menu path (where available): Settings → Reset → Restore Factory Defaults, then confirm.

Frequently Asked Questions

Why doesn’t the two-knob reset work on my 2019 Grand Cherokee?

Jeep dropped the held-knob soft-reset shortcut with the 2018 facelift head unit. On 2018–2022 WK2 cars you reboot by pulling the radio fuse for 30 seconds or disconnecting the battery instead.

Does the knob reboot delete my pairings on the WK2?

No. On the 2011–2017 cars the soft reboot keeps every pairing, preset and setting. Only a factory reset clears them.

My WK2 screen reboots itself randomly while driving. Why?

Random self-reboots usually mean a software fault or a weak 12V battery. Check for a Uconnect update and have the battery load-tested, especially on higher-mileage cars.

Which fuse is the Uconnect fuse on the Grand Cherokee?

It varies by year and screen size, so check the fuse legend in your owner’s manual for the “radio” or “Uconnect” circuit rather than guessing — pulling the wrong fuse can disable other systems.

Can I do the reset while driving?

Do it parked. The screen and reversing camera blank during the restart, so it is not safe on the move.

If a warning light appeared along with the frozen screen, look the trouble code up at autodtcs.com first to rule out an electrical fault before blaming the infotainment.