# Service bulletin OTA SU1\-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.

- Type: Service bulletin
- NHTSA id: 10200902
- Published by NHTSA: 2021\-09\-04
- Manufacturer's number: OTA SU1\-Bronco
- Manufacturer's date: 2021\-08\-12
- NHTSA component: BACK OVER PREVENTION; ELECTRICAL SYSTEM

## NHTSA's summary

Software Update 1 \(SU1\) for 2021 Model Year Bronco vehicles is now available. Involves: Zone Lighting Battery Drain, Remote Start Battery Drain, Contrast improvements to analog rear view camera

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10200902-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10200902-9999.pdf)

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

## Components

Driver assistance, Electrical system, Backup camera

## Vehicles listed

- 2021 FORD BRONCO

## Recalls for the same vehicles and component

- [26V124000](/recalls/nhtsa/26V124000.md), 2026-03-03: BACK OVER PREVENTION:SOFTWARE
- [25V888000](/recalls/nhtsa/25V888000.md), 2025-12-18: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- [25V315000](/recalls/nhtsa/25V315000.md), 2025-05-09: BACK OVER PREVENTION:SOFTWARE
- [25V312000](/recalls/nhtsa/25V312000.md), 2025-05-09: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- [23V598000](/recalls/nhtsa/23V598000.md), 2023-08-25: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- [23V165000](/recalls/nhtsa/23V165000.md), 2023-03-10: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
- [22V825000](/recalls/nhtsa/22V825000.md), 2022-11-03: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

## Other bulletins for the same vehicles and component

- [25N17](/bulletins/11030282.md), 2026-03-27, Other: LANE DEPARTURE: BLIND SPOT DETECTION; BACK OVER PREVENTION: WARNINGS; BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING; UNKNOWN OR OTHER. Advance Notice – Customer Satisfaction Program 25N17 Certain 2015\-2025 Model Year Multiple Vehicle Lines Rear View Camera Replacement If Required After Dealer Evaluation
- [SU4 P3 Bronco](/bulletins/10241993.md), 2023-09-07, Service bulletin: BACK OVER PREVENTION:SOFTWARE. Software Update 4 P3 for 2021\-2023 Bronco Vehicles is now available. Quality improvements include: \-Various Apple Carplay quality improvements
- [OTASYNCLCReDBron](/bulletins/10240463.md), 2023-08-04, Service bulletin: BACK OVER PREVENTION:SOFTWARE. LC SYNC \(8in screen\) updates are being redeployed for 2021\-2022 Broncos. Quality improvements include: \- Management of memory space to allow future updates.
- [SSM 51673](/bulletins/10237580.md), 2023-06-08, Service bulletin: BACK OVER PREVENTION:SOFTWARE. Some 2021\-2023 Bronco vehicles may exhibit a warning message displayed in the instrument panel cluster \(IPC\) that there is a trailer connected to the vehicle when no trailer is connected. The Workshop Manual \(WSM\), Section 417\-01 \> Trailer Lamps, has been updated with Pinpoint Test \(PPT\) J \- Message Center Displays An Incorrect Trailer Message.
- [TSB 23\-2154](/bulletins/10236575.md), 2023-05-23, Service bulletin: BACK OVER PREVENTION:SOFTWARE; POWER TRAIN. 2021\-2022 F\-150 vehicles with 2.7L, 3.3L, 3.5L EcoBoost or 5.0L engines, 2020\-2022 Transit vehicles with 3.5L Duratec/3.5L EcoBoost engines, 2021\-2023 Bronco with the 2.3L or 2.7L engine having charging system diagnostics performed in the Workshop Manual \(WSM\) may experience the generator voltage desired \(GENVDSD\) parameter identification \(PID\) missing from the powertrain control module \(PCM\) PID list in the Ford Diagnosis And Repair System \(FDRS\) scan tool. This may be due to a software parameter in the PCM. To correct the condition, follow the Service Procedure to reprogram the PCM.
- [SSM 51407](/bulletins/10233656.md), 2023-04-04, Service bulletin: BACK OVER PREVENTION:SOFTWARE. Some 2021\-2022 Ford and Lincoln vehicles equipped with SYNC 4 may experience an error message during the gateway module \(GWM\) software update application which states Procedure Unsuccessful\- GetConfigDataFromGIVIS. This may be the result of a server related concern. To correct the condition, download and run the Ford Diagnosis and Repair System \(FDRS\) application GWM\-Read the Gateway Module A \(GWM\) Configuration Data application. When the application completes, refresh and re\-attempt the GWM\-Gateway Module A \(GWM\) Software Update application. For claiming, use causal part 14G229 and applicable labor operations in Section 10 of the Service Labor Time Standards \(SLTS\) Manual.
- [TSB 23\-2105](/bulletins/10233599.md), 2023-04-04, Service bulletin: BACK OVER PREVENTION:SOFTWARE. Some 2021\-2022 Bronco vehicles may experience at least one of the following symptoms: blank/frozen center display screen, Android Auto Apple Carplay connectivity, checkerboard display and/or Bluetooth connectivity. This may be due to the software in the accessory protocol interface module \(APIM\). To correct the condition, follow the Service Procedure to reprogram the APIM. NOTE: The APIM software update that addresses the symptom listed in this article may have been sent via Ford Power\-Up software updates delivered over\-the\-air \(OTA\) to connected vehicles that have automatic updates enabled through the SYNC 4 screen. Enter the vehicle identification number \(VIN\) in Professional Technician System \(PTS\) and check the OTA Dashboard under the Connected Vehicle tab for OTA update history. If an update to the APIM has successfully completed recently and the customer is reporting the symptoms are no longer present, this article may not apply.
- [22OTA22\-PU0925](/bulletins/10228960.md), 2023-01-07, Service bulletin: BACK OVER PREVENTION:SOFTWARE. Priority Update 22\-PU0925\-HAZ\-FLH for 2021\-2022 Bronco vehicles is now available. Quality improvements include: \- improvement to engine stop/start and hazard light interaction. \- improvement to ignition chime duration during Neutral tow mode. \- improvement to zone lighting 12V battery drain.
- [TSB 22\-2404](/bulletins/10226775.md), 2022-11-30, Service bulletin: BACK OVER PREVENTION:SOFTWARE. This article supersedes TSB 22\-2150 and SSM 50970 to update the Service Procedure. For some 2021 Mustang Mach\-E, F\-150, Edge, Nautilus and Bronco vehicles technicians may experience the inability to update the accessory protocol interface module \(APIM\), telematics control unit \(TCU\) or gateway module \(GWM\) using the Ford Diagnosis and Repair System \(FDRS\) and Universal Serial Bus \(USB\) drive. The PTS OTA Dashboard on vehicles with this condition may also display multiple APIM and/or TCU updates have failed, and/or a no OTA history message. In addition, on vehicles with this condition, the customer may have reported experiencing a Ford Power\-Up software update failure message via the vehicle display and/or FordPass/LincolnWay. This may be due to an internal software error. To correct this condition, follow the Service Procedure to update and/or recover the APIM/TCU. Note: Only 10% of vehicles may require this procedure.
- [SSM 51212](/bulletins/10226768.md), 2022-11-30, Service bulletin: BACK OVER PREVENTION:SOFTWARE. Some 2021\-2022 Bronco vehicles equipped with a 2.7/3.0L engine may experience a loss of the go over any terrain \(GOAT\) mode and/or differential locking function when two diagonal wheels lose traction simultaneously while the other two wheels maintain traction. Diagnostic trouble code \(DTC\) U0415 may be set in several modules. The issue should correct itself after the vehicle is driven on flat ground and over 28 MPH for a few minutes. This may be due to the software within the anti\-lock brake system module \(ABS\). To correct this condition, reprogram the ABS module using the latest software level of the Ford Diagnosis and Repair System \(FDRS\) scan tool. For claiming, use casual part 2C219.

JSON: [/v1/bulletins/10200902](/v1/bulletins/10200902)

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