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Service bulletins for the 2026 Ford Bronco

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.

31 on file from NHTSA, as of 2026-10-19.

About B1238 on the 2026 Ford Bronco: 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: B1238 are shown. Show all

Bulletins, newest first
SSM 550792026-08-20. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Some 2025-2026 Bronco vehicles equipped with a 7 speaker audio system (minor feature code IDBAL) may exhibit diagnostic trouble codes (DTC) B128A:01, B128A:11, B128A:12, B128A:13, B1288:11, B1288:12 and/or B1238:17 stored in the audio front control module (ACM) with no customer facing symptoms related to those DTCs. Clear the DTCs and if the DTCs return with no customer facing symptoms, this condition may be due to the ACM software. Replacement of the ACM and/or speakers will not resolve this condition. Inform customers that they can continue to drive the vehicle and engineering is currently working on a solution for this condition that is expected in Q4 2026. Continue to monitor Professional Technician System (PTS) for additional information and schedule service appointments for customers once the repair becomes available. If a vehicle exhibits this condition, enter the vehicle identification number (VIN) and click the "Submit Global Concern Report (GCR)" link at the upper right of the PTS "Vehicle ID" screen. Fill out the GCR form, referencing this article number in the report.
SSM 549252026-06-16. Service bulletin. ELECTRICAL SYSTEM; UNKNOWN OR OTHER. Some 2025-2026 Bronco vehicles equipped with a 7 speaker audio system (minor feature code IDBAL) may exhibit diagnostic trouble codes (DTCs) B128A:01, B128A:11, B128A:12, B128A:13, B1288:11, B1288:12 and/or B1238:17 stored in the audio front control module (ACM) with no customer facing symptoms related to those DTCs. Clear the DTCs and if the DTCs return with no customer facing symptoms, this condition may be due to the ACM software. Replacement of the ACM and/or speakers will not resolve this condition. Inform the customers that they can continue to drive the vehicle and engineering is currently working on a solution for this condition that is expected in Q4 2026. Continue to monitor Professional Technician System (PTS) for additional information and schedule service appointments for customers once the repair becomes available. If a vehicle exhibits this condition, enter the vehicle identification number (VIN) and click the "Submit Global Concern Report (GCR)" link at the upper right of the PTS "Vehicle ID" screen. Fill out the GCR form, referencing this article number in the report.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.