# Service bulletin SSM 49588

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: 10187999
- Published by NHTSA: 2021\-03\-03
- Manufacturer's number: SSM 49588
- Manufacturer's date: 2021\-02\-17
- NHTSA component: EQUIPMENT

## NHTSA's summary

Some 2020 Mustang vehicles may exhibit a Passive Anti\-Theft System \(PATS\) parameter reset or key programming error stating General Error. This may be due to a concern with previous Integrated Diagnostic System \(IDS\) software. Use the latest software level of the appropriate Ford diagnostic scan tool to complete the parameter reset.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10187999-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10187999-9999.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- 2020 FORD MUSTANG

## Other bulletins for the same vehicles and component

- [SSM 52476](/bulletins/10254138.md), 2024-05-03, Service bulletin: EQUIPMENT. All accessory stick\-on keyless entry keypads come with a wallet card containing the master code. If the accessory keypad was factory installed, this card will be placed in the glove box and should be handed to the vehicles owner during initial delivery. Unlike the integrated \(wired\) factory keypad, the accessory keypad master code cannot be retrieved from the vehicle using a diagnostic scan tool. If the wallet card for an accessory keypad is lost, follow these steps to recover the code. Dealer Key Code access is granted through the Dealer Program Enrollment System \(DPES\); dealership management can authorize users. The authorized user must go to FMCDealer.com \> Parts and Service \> Parts Product Line Information \> Keys/Entry Devices \> Aftermarket Keyless Entry Keypad Code Access. Follow the instructions on the screen to obtain the master code for the accessory keypad.
- [TSB 23\-2433](/bulletins/10248371.md), 2024-01-05, Service bulletin: EQUIPMENT. Some 2015\-2020 Mustang vehicles built on or before 30\-Aug\-2020 may exhibit a rattle like noise coming from the front seat. This may be due to the mating surface between the seat frame and floor pans. To correct this condition, follow the Service Procedure to clean the mating surface.
- [TSB 23\-2334](/bulletins/10244797.md), 2023-11-03, Service bulletin: EQUIPMENT; STRUCTURE:BODY:DOOR. This article supersedes TSB 21\-2220 to update the model years affected and part list. Some 2018\-2024 Mustang coupe vehicles may exhibit a sagging headliner or gap where the headliner meets the upper door weatherstrip. This may be due to an outward bent door frame moulding not allowing the weatherstrip to overlap the headliner properly. To correct this condition, follow the Service Procedure to replace the door frame moulding.
- [TSB 23\-2307](/bulletins/10244707.md), 2023-11-02, Service bulletin: UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM\(GLOBAL POSITIONING SYSTEM\); ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Some 2019\-2020 Edge/F\-150/Fusion/Continental/MKZ/Nautilus, 2019\-2021 Mustang/Ranger/Transit Connect, 2020\-2021 EcoSport/Escape/Expedition/Explorer/F\-Super Duty/Aviator/Corsair/Navigator, 2021 Bronco Sport and 2020\-2022 Explorer/Aviator vehicles with SYNC 3 may experience various SYNC performance related concerns. This may be due to the SYNC Software. To correct the condition, follow the Service Procedure to update the SYNC module \(APIM\) software.
- [SSM 51947](/bulletins/10243652.md), 2023-10-06, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. Some 2015\-2019 F\-Super Duty and 2015\-2020 F\-150/Mustang vehicles may require replacement of the powertrain control module \(PCM\) for various reasons. While performing a programmable module installation \(PMI\) using the Integrated Diagnostic Service \(IDS\) scan tool, an error message may state: Configuration Failed, Would You Like To Retry? This may be due to improper module replacement steps. Make sure that the original module is installed in the vehicle, delete the vehicle session, then start a new vehicle session. Once the session starts, run the PCM PMI and install the new PCM only when the scan tool instructs. Finish the PMI by following the prompts given by IDS. If the original PCM is not available, it is possible to configure the module by running as\-built programming on the PCM. When IDS asks to obtain part numbers or configuration data, select configuration data.
- [SAN\-Vol1 I1](/bulletins/10240743.md), 2023-08-16, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. The Service Awareness Newsletter is an informal communication that contains information that may not be presently available in a TSB, SSM, GSB, or other electronic communication. This article includes information on warranty, technical service tips and other service information.
- [SB23\-01](/bulletins/10240305.md), 2023-08-03, Service bulletin: SUSPENSION; STEERING; EQUIPMENT. Spl Parts, Inc. communications index accompanying MCP uploads 23mc40464 \& 23mc40471
- [SB 23\-01](/bulletins/10240266.md), 2023-08-02, Service bulletin: EQUIPMENT; SUSPENSION; STEERING. SPL Parts, Inc. manufacturers and distributes aftermarket lower control arms for dedicated competition vehicles and "track day" cars some of which may be used on both track and highway. SB 23\-01 adresses proper installation torque of cap bolt fasteners attaching SPL's aftermarket lower control arms, recurring inspection and confirmation of torque setting and removal and replacement of damaged or under torqued fasteners to reduce risk of premature failure and accident. SB\-23\-01 was mailed, emailed and posted on SPL website to known resellers, race teams and users of the affected parts and is being submitted here as required by part 579.5. Vehicle Applications include: BMW series 1,2,3,\& 4, 2008\-2023; Chevrolet Camaro 26\-2023, Cadillac ATS, CTS 2016\-2019; Ford Mustang 2015\-2023; Toyota Supra 2020\-2023.
- [SSM 51687](/bulletins/10237786.md), 2023-06-16, Service bulletin: UNKNOWN OR OTHER; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN. TSB 22\-2428 is missing some labor operations. For any missing labor operations, claim available new model labor operations or m\-time. Refer to this article on the repair order. When replacing the CDF cylinder, the current TSB does not require a complete transmission overhaul or cooler and converter flushing. Ford is currently reviewing the TSB. Monitor OASIS for updates.
- [SSM 51449](/bulletins/10233738.md), 2023-04-05, Service bulletin: EQUIPMENT:ELECTRICAL. Some 2020\-2023 Ford and Lincoln SYNC3 equipped vehicles may experience an inaccurate notification in the FordPass®/LincolnWay® app indicating Vehicle Has Entered Deep Sleep Mode. Vehicle Has Entered Deep Sleep Mode message is expected if the vehicle has not been started for 14 consecutive days, battery voltage is at/below 9.5 volts or the body control module \(BCM\) 12 volt battery state of charge \(SoC\) drops below 50%. If the vehicle is going into deep sleep outside these conditions, this may be due to the telematics control unit \(TCU\) software. To correct this condition, follow the Service Procedure to update the TCU to the latest software. For claiming, use causal part 14G229 and applicable labor operations in Section 10 of the Service Labor Time Standards \(SLTS\) Manual.

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