Jeep Grand Cherokee 2021 — technical service bulletin
Bulletin 9004388 · NHTSA communication 10221232 · issued Jun 23, 2021
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
CLUSTER, Instrument Panel 1. MY2021 WL IPC has a stored fault for HUD (IPC setting LOC with HUD U0158 and LVDS Cable with HUD B156D ). This DTC goes to STORED when the vehicle goes from Logistics to customer mode. The only action to be performed in this instance is to clear the fault - there is no problem with the vehicle. Please do not replace the cluster or the HUD. 2. Cluster Map Display Becomes Frozen At Times When Using Navigation (all the other screens in the cluster are functional. Customer can navigate to other screens in this condition). The owner complains that the navigation map dis
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.