# Service bulletin 9004388

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10212514
- Published by NHTSA: 2022\-05\-31
- Manufacturer's number: 9004388
- Manufacturer's date: 2021\-06\-23
- NHTSA component: ELECTRICAL SYSTEM; EQUIPMENT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

## NHTSA's 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 display does not update on the cluster; screen is frozen. Technician may or may not be able to duplicate the condition. The vehicle is not setting any DTC?s for the issue. If the map display is frozen on the cluster, cycling the ignition will reset the cluster to allow proper operation. Do not replace any parts at this time, available parts in service will have the same condition. Engineering is currently researching the issue and will notify the field when updates become available.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10212514-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10212514-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Equipment and accessories, Instrument cluster

## Trouble codes named

B156D, U0158

## Vehicles listed

- 2021 JEEP GRAND CHEROKEE

## Other bulletins for the same vehicles and component

- [S2208000060](/bulletins/10251799.md), 2024-03-18, Service bulletin: ELECTRICAL SYSTEM:INSTRUMENT PANEL:FUEL GAUGE. Low Fuel Warning Indicator Stuck ON
- [S2308000054](/bulletins/10248874.md), 2024-01-16, Service bulletin: ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. System Operation Obstructed or Blocked, ?Blind Spot Temporarily Unavailable, Sensor Blocked?, ?Automatic Emergency Braking \(AEB\) Limited Service Required? or ?Limited Functionality Clean Front Windshield? Displayed Momentarily on The Cluster
- [S2108000249](/bulletins/10247933.md), 2024-01-02, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; LATCHES/LOCKS/LINKAGES:DOORS:LOCK. Cluster and Radio Display Settings Reverted Back to Default Settings, Auto Door Locks and Paddle Shifter Inoperative No Menu to Enable
- [S2308000088](/bulletins/10242760.md), 2023-09-25, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Key Fob Battery Low Warning Message Displayed on The Instrument Panel Cluster \(IPC\)
- [S2323000056](/bulletins/10242748.md), 2023-09-25, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Buzz Squeak Rattle \(BSR\) from the cowl or instrument panel area over bumps or turning.
- [S2108000249](/bulletins/10234406.md), 2023-04-17, Service bulletin: ELECTRICAL SYSTEM; LATCHES/LOCKS/LINKAGES:DOORS:LOCK; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Cluster and Radio Display Settings Reverted Back to Default Settings, Auto Door Locks and Paddle Shifter Inoperative No Menu to Enable
- [S2108000177](/bulletins/10230218.md), 2023-01-17, Service bulletin: ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT. The Odometer Is Flashing / Blinking
- [S2123000053](/bulletins/10230182.md), 2023-01-17, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Instrument Panel Dash Pad Cleaning Procedure
- [S2105000003](/bulletins/10230052.md), 2023-01-17, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; SERVICE BRAKES, HYDRAULIC. C1009 Brake Fluid Low DTC Red Brake Light On
- [S2008000011](/bulletins/10230028.md), 2023-01-17, Service bulletin: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Customer Cannot Change Cluster Display Unit Settings, Turn By Turn Distance Does Not Match The Radios Distance

JSON: [/v1/bulletins/10212514](/v1/bulletins/10212514)

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