TSB SSM-53602 — Ford Service bulletin
SSM-53602 is a service bulletin on file with NHTSA for 2 Ford models, 2022–2023 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.
What the bulletin says. Some 2022-2025 Ford or Lincoln vehicles may exhibit DTCs B142E:78, B1432:78, and/or B1433:54 diagnostic trouble codes (DTCs) in the CCM. This may be due to non-factory sized tires that may cause inaccurate speedometer readings that can impact the functionality of the CCM. When a…
NHTSA's own summary of the document, quoted from the public manufacturer-communications file.
Vehicles and model years SSM-53602 names
| Vehicle | Model years |
|---|---|
| Ford Mustang | 2023 |
| Ford Ranger | 2022, 2023 |
Every document filed under SSM-53602
| Document ID | Filed | Type |
|---|---|---|
| SSM 53602 | April 8, 2025 | Service bulletin |
Questions buyers ask
What is TSB SSM-53602?
SSM-53602 is a service bulletin filed with NHTSA by Ford, covering 2 Ford models across the 2022–2023 model years. NHTSA's summary reads: Some 2022-2025 Ford or Lincoln vehicles may exhibit DTCs B142E:78, B1432:78, and/or B1433:54 diagnostic trouble codes (DTCs) in the CCM. This may be due to non-factory sized tires that may cause inaccurate speedometer readings that can impact the functionality of the CCM. When a…
Which vehicles does SSM-53602 cover?
NHTSA's file names Ford Mustang (2023); Ford Ranger (2022–2023). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.
Is TSB SSM-53602 a recall, and is the repair free?
No. SSM-53602 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.
How do I get the full text of SSM-53602?
Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under SSM-53602, its date, and NHTSA's own summary from the public file.
Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under SSM-53602. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.