# Service bulletin S2523000041

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: 11018599
- Published by NHTSA: 2025\-05\-28
- Manufacturer's number: S2523000041
- Manufacturer's date: 2025\-05\-19
- NHTSA component: ELECTRICAL SYSTEM; SERVICE BRAKES
- Manufacturer's system: Module, Anti\-lock Brake, ABS

## NHTSA's summary

Vehicle Will Not Shift From Park. Antilock Brake System \(ABS\) Light On In Cluster. U0121, U1110, U120C Diagnostic Trouble Codes \(DTCs\) Set. Discussion: If a vehicle has a complaint of will not shift from park and the below DTCs are set, follow the steps below prior to making any repairs. U0121\-00\-LOST COMMUNICATION WITH ANTI\-LOCK BRAKE SYSTEM \(ABS\) U1110\-LOST VEHICLE SPEED MESSAGE U120C\-LOST BRAKE BOOSTER SIGNAL Do not replace the ABS module. First, discuss the circumstances of how they park the vehicle. Ask if they manually apply the electric park brake \(EPB\) after placing the shifter in park and turning off the ignition. These steps could also be followed with a final step of opening the door, changing ignition status, pressing the brake or pressing the EPB switch again. If the owner answers “yes” to the sequence mentioned prior, engineering is aware of concerns and investigating.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018599-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018599-9999.pdf)

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

## Components

Brakes, Electrical system

## Trouble codes named

U0121, U1110, U120C

## Vehicles listed

- 2024 CHRYSLER PACIFICA
- 2024 CHRYSLER VOYAGER

## Recalls for the same vehicles and component

- [2024198](/recalls/tc/2024198.md), 2024-03-28: Brakes

## Other bulletins for the same vehicles and component

- [S2621000006](/bulletins/11038331.md), 2026-10-07, Service bulletin: ELECTRICAL SYSTEM. Note: Document released 10/2/2026. Multiple Warning Indicators On In The IPC. ESM \- PRNDL Flashing. And The Vehicle Will Not Shift Into Gear. The Wipers May Be On, With An Electric Parking Brake Unavailable.
- [08\-336\-26](/bulletins/11037465.md), 2026-09-23, Service bulletin: ELECTRICAL SYSTEM. Flash: Integrated Dual Charge Module \(IDCM\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● B22A9\-87 \- ECU Internal Performance\-Missing Message. ● P0D21\-00 \- Battery Charger "A" Output Voltage Too Low. Customers may experience the following: ● Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest available software.
- [9100900](/bulletins/11037346.md), 2026-09-17, Service bulletin: ELECTRICAL SYSTEM; STRUCTURE:BODY. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- [9100895](/bulletins/11037268.md), 2026-09-10, Service bulletin: SERVICE BRAKES. ACTUATOR Park Brake Do NOT replace actuator before checking for latest ABS software referencing TSB 08\-010\-26 and TSB 08\-066\-26. This update will eliminate the false occurrence of the DTCs below: C10EA\-00 \- Left Park Brake Actuator C10EB\-00 \- Right Park Brake Actuator C10EC\-00 \- Park Brake Actuator Correlation
- [9100860](/bulletins/11035068.md), 2026-07-18, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Passive Entry O/S Dr Handle Prior to replacing an inoperative passive entry door handle, perform Star Online S2623000040.
- [9100803 Rev 3](/bulletins/11035065.md), 2026-07-18, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Front Fog Lamp RT 1\) If the lamp contains moisture, do not replace it immediately. Turn the fog lamp on for one hour and inspect it afterward. Refer to 23\-008\-25 Rev.A. Exterior Front Lamps Condensation Clearing Procedure for details. 2\) If the fog lamp\(s\) do not light. Refer to Star Online Publication S2523000085 for details.
- [S2508000025 REV. B](/bulletins/11034926.md), 2026-07-08, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) and Radio Compass Display has Dashes \(\-\-\)
- [S2508000025 REV.A](/bulletins/11034390.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM. Instrument Panel Cluster \(IPC\) and Radio Compass Display has Dashes \(\-\-\)
- [S2623000046](/bulletins/11034388.md), 2026-07-02, Service bulletin: STRUCTURE:BODY; ELECTRICAL SYSTEM. Calibration Requirements For The Power Sliding Door Module \(PSDM\).
- [S2508000052 REV.B](/bulletins/11034353.md), 2026-07-02, Service bulletin: ELECTRICAL SYSTEM; POWER TRAIN. Service Shifter Message on the Cluster and Shifter Unable to move Out of Park

JSON: [/v1/bulletins/11018599](/v1/bulletins/11018599)

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