Ford Mustang Mach E 2024–2025 — technical service bulletin
Bulletin TSB 26-2421 · NHTSA communication 11037420 · issued Sep 18, 2026
Technical service bulletin
communication type
Power Train
component
2024–2025
model years
2
vehicle entries
Official summary
This bulletin updates 25-2622. Reason for update: * Update the Service Procedure to: - Remove Step related connecting a battery charger - Add Step 7 and Step 29 along with Figure 4 to include mass damper remove and install. * Update the Parts list: - Updated to include rear electric drive assembly studded bolts and nuts to secure the mass damper. Some of the vehicles listed in the Model statement above may exhibit at least one of the following conditions: * Stuck in park * "Service Vehicle Soon" message in the instrument panel cluster (IPC) * Illuminated powertrain malfunction (wrench) indicat
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.