TSB 23-PU-0721-SPDK-FX — Ford Software update

23-PU-0721-SPDK-FX is a software update on file with NHTSA for 2 Ford models, 2023 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. Quality improvements include: - Robustness action to improve the Power Distribution Box in order to eliminate battery drainage, high key off load events and set a Diagnostic Trouble Code notification of issues for easier diagnosis.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
2Vehicles named
1Model year

Worth checking your VIN against. 23-PU-0721-SPDK-FX is filed as a software update, which unlike an ordinary bulletin can mean free or reimbursed work when a vehicle qualifies. Ask a dealer using the document ID below, and check open recalls separately at nhtsa.gov/recalls.

Vehicles and model years 23-PU-0721-SPDK-FX names

VehicleModel years
Ford F-250 2023
Ford F-350 2023

Every document filed under 23-PU-0721-SPDK-FX

Document IDFiledType
OTA 23-PU-0721-SPDK-FX SD October 18, 2024 Software update
← All Ford F-250 TSB years TSB lookup by model

Questions buyers ask

What is TSB 23-PU-0721-SPDK-FX?

23-PU-0721-SPDK-FX is a software update filed with NHTSA by Ford, covering 2 Ford models across the 2023 model years. NHTSA's summary reads: Quality improvements include: - Robustness action to improve the Power Distribution Box in order to eliminate battery drainage, high key off load events and set a Diagnostic Trouble Code notification of issues for easier diagnosis.

Which vehicles does 23-PU-0721-SPDK-FX cover?

NHTSA's file names Ford F-250 (2023); Ford F-350 (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 23-PU-0721-SPDK-FX a recall, and is the repair free?

23-PU-0721-SPDK-FX is filed as a software update, not a recall — but this is the kind of communication that can mean free or reimbursed work if your VIN qualifies. Take the number to a dealer and ask. Recalls are separate and always free; check yours by VIN at nhtsa.gov/recalls.

How do I get the full text of 23-PU-0721-SPDK-FX?

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 23-PU-0721-SPDK-FX, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

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 23-PU-0721-SPDK-FX. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.