Service bulletins for the 2024 Chrysler Pacifica
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.
286 on file from NHTSA, as of 2026-10-19.
About U1110 on the 2024 Chrysler Pacifica: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: U1110 are shown. Show all
| 08-043-26 | 2026-03-05. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. Flash: Anti-Lock Brakes (ABS) 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 Code (DTC): ● **C151D-00 - Tire Pressure Sensor Location Undetermined.** ● U0121-00 - Lost Communication With Anti-lock Brake System (ABS) Control Module. ● U1110 - Lost Vehicle Speed Message. ● U120C - Lost Brake Booster Signal. Customers may also comment on one or more of the following: ● **The Service TPM System message may display on the cluster after a tire rotation.** NOTE: The vehicle will not automatically relearn tire locations and the process will have to be manually performed by a dealer technician. ● Electronic Parking Brake (EPB) is not responding and not allowing the driver to release EPB.** NOTE: This takes place when the vehicle in on standstill, the driver stays in the car for more than 10 minutes and if the driver presses the Electric Parking Brake (EPB) button. The Electronic Stability Control (ESC) module wakes up in silent mode and if another wake up request occurs (i.e. pedal press, door, ajar etc.) during this time the module locks up in no communication mode and other modules sets DTC against ESC module. ESC won't be operational and vehicle won't be able to shift out of park ● Antilock Brake System (ABS) light is on in the Instrument Panel Cluster (IPC). This bulletin involves reprogramming the ABS module with the latest available software. |
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| 08-043-26 | 2026-02-12. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. Flash: Anti-Lock Brakes (ABS) 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): ● U0121-00 - Lost Communication With Anti-lock Brake System (ABS) Control Module. ● U1110 - Lost Vehicle Speed Message. ● U120C - Lost Brake Booster Signal. Customers may also comment one or more of the following: ● The vehicle will not shift out of Park. NOTE: This takes place when the vehicle in on standstill, the driver stays in the car for more than 10 minutes and if the driver presses the Electric Parking Brake (EPB) button. The Electronic Stability Control (ESC) module wakes up in silent mode and if another wake up request occurs (i.e. pedal press, door, ajar etc.) during this time the module locks up in no communication mode and other modules sets DTC against ESC module. ESC won't be operational and vehicle won't be able to shift out of park. ● Antilock Brake System (ABS) light is on in the Instrument Panel Cluster (IPC). This bulletin involves reprogramming the ABS module with the latest available software. |
| S2523000041 | 2025-05-28. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES. 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 summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.