NHTSA service bulletin

NHTSA Service Bulletin 10231779: 2018-2020 Chrysler Pacifica

Official manufacturer communication context for 2018-2020 Chrysler Pacifica, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 10231779 summary graphic for 2018-2020 Chrysler Pacifica
10231779NHTSA document ID
Manufacturer communicationcommunication type
1affected product rows
82/100quality score

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

UAR and UCR Radio Enhancements Customers may experience one or more of the following: **Wi-Fi hotspot connection failure. Speaker popping, crackle noise during Voice Recognition (VR) response. Mobile Station Integrated Services Digital Network (MSISDN) missing from radio, no connected services working.** Lost radio presets. High pitch chime noise. Contact list not loading. Remote app inoperative. High pitch squeal, pop or humming sound coming from all of the speakers. Backup camera gridlines missing. Radios resets when a wireless connectivity paired phone receives two text messages one after another simultaneously after approximately seven seconds. (Sales Code ABD). Speaker crackling noise. Unable to adjust volume. Radio may reset /reboot, turn itself off and then back on. Active call not transferred to vehicle wireless connectivity. Voice Recognition (VR) not understanding commands. Wireless connectivity phonebook not available. Anti-theft code request message. Lines appear across screen. Radio will not switch modes between AM, FM, SAT or Media. Poor wireless connectivity sound quality. Phone pairing issues. In addition, the following enhancement is included in this update: Wireless connectivity pair or connection improvements. This bulletin involves inspecting and if required, updating the radio software level to **40.1. Depending on the radio?s current software level the radio may need a one or two USB update.**

What this bulletin may mean before buying

Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.

Affected products listed in this communication

MakeModelModel yearsBuyer note
ChryslerPacifica2018-2020Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 10231779?

UAR and UCR Radio Enhancements Customers may experience one or more of the following: **Wi-Fi hotspot connection failure. Speaker popping, crackle noise during Voice Recognition (VR) response. Mobile Station Integrated Services Digital Network (MSISDN) missing from radio, no connected services working.** Lost radio presets. High pitch chime noise. Contact list not loading. Remote app inoperative. High pitch squeal,.

Is a service bulletin the same as a recall?

No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.

How should a used-car buyer use this bulletin?

Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

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