Ford bulletin 23H06
What it saysHarvest Program 23H06 Certain 2021-2023 Model Year Mustang Mach-E and 2022-2023 Transit Battery Electric Vehicle (BEV) High Voltage Battery Module Replacement Owner letter added. NHTSA’s full summary ↓
Ford filed this with NHTSA as a service bulletin dated Mar 1, 2024, received Feb 1, 2024, about the electrical system — 2 documents under this number. It names 6 model years (2021–2023). A service bulletin is not a safety recall: it is the manufacturer telling its dealers how to diagnose or repair a condition, and whether the work is paid for depends on the warranty in force. Quoting the number at a service desk can save a diagnosis.
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What the bulletin says
Source: NHTSA's summary of the manufacturer's communicationHarvest Program 23H06 Certain 2021-2023 Model Year Mustang Mach-E and 2022-2023 Transit Battery Electric Vehicle (BEV) High Voltage Battery Module Replacement Owner letter added. Other documents submitted 02/01/24
Documents filed under this number
| Document | Kind | Dated | NHTSA id | At NHTSA |
|---|---|---|---|---|
| 23H06 | Service bulletin | Mar 1, 2024 | 10252416 | PDF, 297 KB |
| 23H06 | Service bulletin | Jan 16, 2024 | 10249488 | PDF, 1,388 KB |
What the document itself lists
The manufacturer titles it “Harvest Program 23H06”.
Part the bulletin names
| Part number | Description | Qty | Find it |
|---|---|---|---|
| VC-13DL-G | Motorcraft® Yellow Prediluted Antifreeze/Coolant | — | eBay Motors → |
Read by machine from the document NHTSA serves (8 pages), read Sep 30, 2026. A part number is shown only where it matches Ford’s own catalogue shape, an operation only with its code and time, and a description only where the reader got it whole; anything it could not settle is left out, and the PDF is the record. Times are the manufacturer’s warranty allowances, not a quote. Listings and prices on eBay Motors are the seller’s.
Affiliate disclosure: some links on this page are affiliate links. If you request a quote or buy through them we may earn a commission at no extra cost to you. Nothing on this page changes because of it.
The summary is NHTSA’s abstract of the document, as filed under 49 CFR 579.5. One communication is usually filed as several documents — the bulletin, a dealer notice, an owner letter — and the number on any of them finds this page. A PDF link is shown only once NHTSA’s own server has been seen to serve that document; the rest are checked over the following nights. Quote the number at a service desk; it is what the dealer’s system is keyed on.
Model years it names
Source: as the manufacturer filed themA vehicle page’s bulletin list shows the newest few communications filed against that model year; the count there is every one.
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What owners reported
Source: NHTSA complaint databaseOwners of the 6 model years this bulletin names have filed 745 complaints with NHTSA since 2015. 318 of them name Electrical System — the same broad component group this bulletin is filed under. NHTSA groups complaints coarsely, so that means the same area of the vehicle, not necessarily the same fault.
On the 2021 Ford Mustang Mach-E, the 17 owners who gave an odometer reading for Electrical System reported it at a median of 30,696 miles. That figure is one model year’s, not the whole range this bulletin covers — medians from different model years are not averaged.
The contact owns a 2023 Ford Mustang Mach-E. The contact stated while driving approximately 35 MPH, a MIL warning illuminated, with the message “Immediate Loss of Power” displayed. The contact stated that the vehicle shut off and the battery was drained. The contact stated that the vehicle stopped and independently shifted to park(P).
2023 Ford Mustang Mach-E · Electrical System · filed with NHTSA Dec 5, 2023 · ODI 11558645
After charging for the first time at a DC fast charge station to 80%, I resumed my trip and drove about 3 miles to merge onto the expressway, my screen panel said "safely stop now", with a turtle logo and battery icon coming on. my car then came to a complete stop within a few seconds in the middle of the on-ramp leaving me stranded.
2022 Ford Mustang Mach-E · Electrical System · filed with NHTSA Jun 6, 2023 · ODI 11525550
The alternator and regulator failed. Parts are available for inspection. Safety was at risk as vehicle could stop or loose nighttime electrical lighting at highway speeds without any prior warning due to sudden loss of electric power. Selling dealer has inspected and confirmed failure of above parts.
2023 Ford Transit · Electrical System · filed with NHTSA May 30, 2024 · ODI 11591496
In depth: 2023 Ford Mustang Mach-E electrical problems → · 2022 Ford Mustang Mach-E electrical problems → · 2021 Ford Mustang Mach-E electrical problems →
A complaint is one owner’s account, not a defect finding, and a bulletin is not a recall. Nothing here says this bulletin was issued because of these complaints, or that the repair it describes fixed them. Complaint files on this site begin in 2015.
More bulletins about the electrical system
Source: same model, same component group141 other manufacturer communications filed against these Ford models under the same component group (electrical system), newest first. The eight newest are listed; the rest are on the Ford list.
| Number | Kind | Dated | NHTSA’s summary |
|---|---|---|---|
| 26-2431 v2 | Service bulletin | Oct 22, 2026 | This bulletin supersedes 26-2226. Reason for update: update the Service procedure for 2021-2022 F-150 3.5L EcoBoost vehicles with new Ford D… |
| TSB 26-2442 | Service bulletin | Oct 14, 2026 | This bulletin supersedes 26-2297. Reason for update: Add 2022-2025 Transit vehicles. Some of the vehicles listed in the model statement abov… |
| 26B07 | Other | Sep 24, 2026 | Recommended Repair Prior to Sale Customer Satisfaction Program 26B07 Certain 2021-2025 Model Year F-150 Lightning and Mustang Mach-E Vehicle… |
| TSB 26-2421 | Service bulletin | Sep 18, 2026 | This bulletin updates 25-2622. Reason for update: * Update the Service Procedure to: - Remove Step related connecting a battery charger - Ad… |
| TCU-26.2.12.2.1 | Over-the-air update | Sep 17, 2026 | Quality improvements include: -Addresses a bug that may cause updates to fail |
| TCU-26.2.12.2.2 | Over-the-air update | Sep 16, 2026 | Quality improvements include: -Addresses a bug that may cause updates to fail |
| TCU-26.2.11.4 | Over-the-air update | Sep 16, 2026 | Quality improvements include: -Addresses key off load battery usage caused by the WiFi not powering down properly when the vehicle goes to s… |
| ECG-26.2.12.3 | Over-the-air update | Sep 16, 2026 | Quality improvements include: -ePrivacy enhancements |
Quote the number at the service desk. It is what the dealer’s system is keyed on.
Every manufacturer communication NHTSA holds for Ford, by the number printed on the letter.
Common questions
Source: NHTSA, 49 CFR 579.5Is Ford 23H06 a recall?
No. A service bulletin is a manufacturer communication filed with NHTSA under 49 CFR 579.5; a safety recall carries an NHTSA campaign number (two digits, a letter, six digits) and a federal duty to repair for free. Check the vehicle’s recalls by VIN at nhtsa.gov/recalls, or on its page here.
Is the 23H06 repair free?
Not automatically. A service bulletin describes how to diagnose or repair a condition; who pays depends on the warranty in force, any extension, and the dealer. Quoting the number can save a diagnosis either way.
Which vehicles does 23H06 cover?
The manufacturer filed it against 6 model years: 2023 Ford Mustang Mach-E, 2022 Ford Mustang Mach-E, 2021 Ford Mustang Mach-E, 2023 Ford Transit, 2022 Ford Transit, 2021 Ford Transit. Whether one particular vehicle is affected is a matter of its VIN and its build, not its model year alone.