Service bulletin TSB 26-2421

Manufacturer communication, from NHTSA Manufacturer Communications

Published by NHTSA: Sep 21, 2026
Manufacturer: FORD
NHTSA ID: 11037420
NHTSA category: Service Bulletin/Repair Instructions
Applies to, as stated by NHTSA: FORD MUSTANG MACH E 2024-2025
Component, as stated by NHTSA: ELECTRICAL SYSTEM; POWER TRAIN; UNKNOWN OR OTHER

Text of the manufacturer communication

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) indicator with diagnostic trouble code (DTC) P07E6:71 stored in the secondary on-board diagnostic control module C (SOBDMC) This may be due to high ground resistance of the park pawl motor.

Manufacturer document number: TSB 26-2421
Date of the communication: 2026-09-18

View original source on NHTSA.gov

NHTSA reuses some ID numbers across record types. If its page lists more than one record, this one is the manufacturer communication dated Sep 21, 2026.

For the 2023 Ford Mustang Mach-E

GT, extended range

Ignored

Relevance of 18% is under one half, so the notice is ignored whatever the other figures say.

Vehicle relevance: 18%
Attention: 41%
Interrupt probability: 41%

Importance to this owner: 0.8 of 4, minor
Vehicle area the notice is about: Transmission

This manufacturer communication does not appear to warrant attention for this vehicle.

Decided by jev-1.13.0 in 174 ms from 1,715 input tokens. Jev returns these figures and nothing else. It gives no reasons, and none are written for it here. The figures describe how relevant the notice is, not the condition of any vehicle.

Checked by code against NHTSA's fields

A plain comparison with the structured fields NHTSA filled in. Separate from Jev's decision.

YesNHTSA names this make

YesNHTSA names this model (listed as MUSTANG MACH E)

NoNHTSA lists model year 2023 for this model

The same notice, every vehicle

Relevance	Attention	Interrupt	State
18%	41%	41%	Ignored
2%	7%	8%	Ignored
2%	9%	10%	Ignored
2%	7%	9%	Ignored
1%	5%	5%	Ignored
1%	7%	7%	Ignored
1%	5%	6%	Ignored
1%	6%	6%	Ignored
1%	5%	5%	Ignored
1%	5%	6%	Ignored
1%	5%	5%	Ignored
1%	5%	7%	Ignored
1%	4%	5%	Ignored
1%	5%	5%	Ignored
1%	4%	5%	Ignored
1%	6%	6%	Ignored

Select a vehicle to see its attention and interrupt figures above.