Technical Service Bulletin 23B12 — 2021 FORD MUSTANG
UNKNOWN OR OTHER
Bulletin Details
| TSB ID | 23B12 |
| Manufacturer | |
| Vehicle | 2021 FORD MUSTANG |
| Component | UNKNOWN OR OTHER |
| Communication Date |
Bulletin Summary
Certain 2021-2022 Model Year Mustang Mach E and 2022 Model Year E-Transit High Voltage Battery Module (HVBM) Replacement In all of the affected vehicles, a High Voltage Battery Module (HVBM) was previously replaced using an incorrect Thermal Interface Material (TIM) template. A HVBM that has been serviced using the incorrect TIM template may cause the cells to operate at a temperature higher than design intent, resulting in reduced cell performance and, over time, a progressive reduction in vehicle range that may become noticeable to the driver. This may also result in a malfunction indicator light, DTC code and battery power limiting.
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
Other TSBs for the 2021 FORD MUSTANG
SSM 52502
ENGINE
SSM 52444
POWER TRAIN
OTASU6 P2Mach
UNKNOWN OR OTHER
OTASU6 P2Mach
ELECTRICAL SYSTEM
OTA24PU0102CSUFX
BACK OVER PREVENTION:SOFTWARE
SSM 51939
POWER TRAIN
TSB 23-2261
ELECTRICAL SYSTEM:SOFTWARE
TSB 23-2020
POWER TRAIN
SSM 51232
POWER TRAIN:AUTOMATIC TRANSMISSION
SSM 51228
COMMUNICATION:MANUFACTURER TELEMATICS