# Service bulletin SSM 53800

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: 11018522
- Published by NHTSA: 2025\-05\-21
- Manufacturer's number: SSM 53800
- Manufacturer's date: 2025\-05\-16
- NHTSA component: ENGINE; POWER TRAIN
- Manufacturer's system: Air conditioning control module ACCM

## NHTSA's summary

Some 2025 Maverick hybrid vehicles built on or before 17\-Feb\-2025 may exhibit diagnostic trouble code \(DTC\) U0001:88 stored in the air conditioning control module \(ACCM\). If no customers symptoms are present, download and run the "air conditioning control module \(ACCM\) software update" application in the Ford Diagnosis and Repair System \(FDRS\) scan tool. For claiming, use causal part 19703 and applicable labor operations in Section 10 of the Service Labor Time Standards \(SLTS\) Manual.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018522-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018522-9999.pdf)

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

## Components

Engine, Transmission and driveline

## Trouble codes named

U0001

## Vehicles listed

- 2025 FORD MAVERICK HYBRID

## Recalls for the same vehicles and component

- [2026094](/recalls/tc/2026094.md), 2026-03-03: Engine
- [26V122000](/recalls/nhtsa/26V122000.md), 2026-03-03: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\)
- [2025691](/recalls/tc/2025691.md), 2025-12-12: Powertrain
- [25V863000](/recalls/nhtsa/25V863000.md), 2025-12-12: POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:PARK PAWL
- [25V828000](/recalls/nhtsa/25V828000.md), 2025-12-01: ENGINE
- [2025281](/recalls/tc/2025281.md), 2025-05-23: Engine

## Other bulletins for the same vehicles and component

- [SSM 55221](/bulletins/11038438.md), 2026-10-12, Service bulletin: UNKNOWN OR OTHER; POWER TRAIN; ELECTRICAL SYSTEM. For 20222026 vehicles equipped with a 8F35 transmission, a revision to the Road Testing Vehicle procedure has been made in the WSM, Section 307\-01 \> Diagnosis and Testing. This updated procedure improves the diagnosis of customer reported transmission concerns and aids in locating the proper root cause. During diagnosis and testing, details regarding whether the condition is more prevalent when the vehicle is hot or cold, throttle percentage at the time of occurrence, vehicle speed, the specific shift involved, and whether the issue occurs during transmission engagements \(N\>R, N\>D, R\>D, and/or D\>R\) should be noted in the warranty claim. Engineering requests including these detailed operating conditions that will significantly assist with root cause analysis. Diagnosis, testing, and repair should use established labor times outside this article.
- [TSB 26\-2428](/bulletins/11037776.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; UNKNOWN OR OTHER; POWER TRAIN. This bulletin supersedes 25\-2326. Reason for update: update the service procedure to include the fuel tank isolation valve replacement, update the causal part number, and increase the labor time allowance to include the fuel tank isolation valve replacement. Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp \(MIL\) with diagnostic trouble code \(DTC\) P2450 stored in the powertrain control module \(PCM\). This may be due to the software in the PCM and/or the fuel tank isolation valve.
- [TSB 26\-2428](/bulletins/11037775.md), 2026-10-02, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM; POWER TRAIN; UNKNOWN OR OTHER. This bulletin supersedes 25\-2326. Reason for update: update the service procedure to include the fuel tank isolation valve replacement, update the causal part number, and increase the labor time allowance to include the fuel tank isolation valve replacement. Some of the vehicles listed in the Model statement above may exhibit an illuminated malfunction indicator lamp \(MIL\) with diagnostic trouble code \(DTC\) P2450 stored in the powertrain control module \(PCM\). This may be due to the software in the PCM and/or the fuel tank isolation valve.
- [TSB 26\-2414](/bulletins/11037311.md), 2026-09-14, Service bulletin: POWER TRAIN; UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This article supersedes 26\-2058 Reason for update: update the TSB title and TSB issue to include new DTCs Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: \* Intermittent or permanent no reverse \(R\) engagement \* Illuminated MIL with DTC P0767 or P0765:7E stored in the powertrain control module \(PCM\) In addition to the required conditions, the vehicle may also exhibit a harsh reverse engagement, P0766, P0765:7F, P0736 and/or P2703 stored in the PCM. This may be due to an internal mechanical concern with the selectable one\-way clutch \(SOWC\).
- [25M03](/bulletins/11036553.md), 2026-09-01, Other: UNKNOWN OR OTHER; ENGINE. Customer Satisfaction Program 25M03 Certain 2020\-2025 Model Year Escape, 2021\-2025 Model Year Corsair and 2022\- 2025 Model Year Maverick Vehicles equipped with a 2.5L Hybrid or Plug\-In Hybrid engine \- Exhaust Gas Recirculation \(EGR\) Differential Pressure Sensor Replacement, if Required After Dealer Evaluation
- [SSM 55058](/bulletins/11035516.md), 2026-08-03, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM; ENGINE; FUEL/PROPULSION SYSTEM. Some 2025\-2026 Maverick vehicles built on or before 05\-Dec\-2025 and 2024\-2026 Nautilus vehicles built on or before 04\-Sep\-2025 may exhibit limited power and display "Stop Safely Now" or "Service Vehicle Soon" stored in the message center after start up with diagnostic trouble codes \(DTC\) P0A5D, P0A60, P0A63, P0A6F, P0A72, P0A75, and/or P0E52 stored in the inverter system controller \(SOBDMC\). The Ford Diagnostic and Repair System \(FDRS\) may refer to this module as the "Secondary On\-Board Control Module C". If the vehicle exhibits these conditions, replace the inverter system controller. Refer to Workshop Manual, Section 307\-01B. For claiming, use causal part 7B012 and labor operations 12651D and 12651D58. NOTE: This article does not remove any RVC, Prior Approval or Warranty and Policy requirements for component replacement.
- [25B33](/bulletins/11034207.md), 2026-07-01, Other: ENGINE. Certain 2023\-2025 Model Year Escape and Corsair, 2024\-2025 Model Year Nautilus, 2025\-2026 Model Year Bronco Sport and 2025 Model Year Maverick Vehicles Equipped with an Engine Block Heater System Block Heater Replacement
- [SSM 54939](/bulletins/11034017.md), 2026-06-22, Service bulletin: POWER TRAIN. Some 2020\-2026 Corsair/Escape, 2021\-2026 Bronco Sport, and 2022\-2026 Maverick vehicles equipped with an 8F35 transmission may exhibit a shudder condition, most noticeable at speeds below 60 mph \(100 km/h\), with no relevant diagnostic trouble codes \(DTC\) stored in the powertrain control module \(PCM\). Sometimes, this may be perceived/felt as an engine misfire. This may be due to the torque converter. If Pinpoint Test K: Torque Converter Clutch Operation in Workshop Manual \(WSM\), Section 307\-01 \> Diagnosis and Testing \> Diagnosis by Symptom directs to replace the torque converter, remove and replace the torque converter and torque converter seal. Refer to WSM, Section 307\-01 \> Removal and Installation \> Torque Converter Seal. Remove the main control valve body. Refer to WSM, Section 307\-01 \> Removal and Installation \> Main Control Valve Body. Overhaul and thoroughly clean the main control valve body. Refer to WSM, Section 307\-01 \> Overhaul \> Main Control Valve Body. Reverse the removal procedure to reassemble the transmission. Install the transmission. Refer to WSM, Section 307\-01 \> Installation. For claim
- [TSB 26\-2210](/bulletins/11033573.md), 2026-06-05, Service bulletin: POWER TRAIN; ENGINE. Some of the vehicles listed in the Model statement above may exhibit all of the following conditions: \* Engine misfire condition \* Illuminated malfunction indicator lamp \(MIL\) with diagnostic trouble codes \(DTC\) P0301, P0302, P0303, and/or P0304 stored in the powertrain control module \(PCM\)
- [SSM 54797](/bulletins/11032566.md), 2026-05-08, Service bulletin: POWER TRAIN. Some 2020\-2026 Corsair/Escape, 2021\-2026 Bronco Sport, and 2022\-2026 Maverick vehicles equipped with an 8F35 transmission may exhibit a shudder condition, most noticeable at speeds below 60 mph \(100 km/h\), with no relevant diagnostic trouble codes \(DTC\) stored in the powertrain control module \(PCM\). Sometimes, this may be perceived/felt as an engine misfire. This may be due to the torque converter. If Pinpoint Test K: Torque Converter Clutch Operation in Workshop Manual \(WSM\), Section 307\-01 \> Diagnosis and Testing \> Diagnosis by Symptom directs to replace the torque converter, remove and replace the torque converter and torque converter seal. Refer to WSM, Section 307\-01 \> Removal and Installation \> Torque Converter Seal. Remove the main control valve body. Refer to WSM, Section 307\-01 \> Removal and Installation \> Main Control Valve Body. Overhaul and thoroughly clean the main control valve body. Refer to WSM, Section 307\-01 \> Overhaul \> Main Control Valve Body. Reverse the removal procedure to reassemble the transmission. Install the transmission. Refer to WSM, Section 307\-01 \> Installation.

JSON: [/v1/bulletins/11018522](/v1/bulletins/11018522)

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