NHTSA ID Number: 10234125
Manufacturer Communication Number: SSM 51531
Summary
Some 2020-2023 Explorer/Aviator/Transit, 2021-2023 F-150/Bronco, 2022-2023 Expedition/Navigator/Mustang
and 2023 F-250/F-350 Super Duty vehicles may exhibit harsh/delayed engagement and/or harsh/delayed shift concerns. These may be addressed with the powertrain control module (PCM)/transmission control module (TCM) Transmission Accelerated Main Control Break In Routine and/or a main control overhaul. Refer to Workshop Manual (WSM), Section 307-01, DTC Chart if DTCs are present and/or Diagnosis By Symptom to identify the clutch(s) to be cycled. Cycling the shift solenoids and clutch control valves to remove contamination must be performed along with an adaptive drive cycle before attempting repair. For claiming, use causal part 7A100 and applicable labor operations in Section 7 of the Service Labor Time Standards (SLTS) Manual.
30 Affected Products
Vehicles
| MAKE | MODEL | YEAR |
| FORD | BRONCO | 2021-2023 |
| FORD | EXPEDITION | 2022-2023 |
| FORD | EXPLORER | 2020-2023 |
| FORD | F-150 | 2021-2023 |
| FORD | F-250 SD | 2023 |
| FORD | F-350 SD | 2023 |
| FORD | F-450 SD | 2023 |
| FORD | F-550 SD | 2023 |
| FORD | F-650 SD | 2023 |
| FORD | F-750 SD | 2023 |
| FORD | MUSTANG | 2022-2023 |
| FORD | TRANSIT | 2020-2023 |
| LINCOLN | AVIATOR | 2020-2023 |
| LINCOLN | NAVIGATOR | 2022-2023 |
1 Associated Document
Manufacturer Communications
SSM 51531
2020-2023 Various Vehicles – 10R60/10R80/10R100/10R80-MHT Automatic Transmission Harsh/Delayed Engagement And/Or Harsh/Delayed Shift
NHTSA ID Number: 10208154
Manufacturer Communication Number: SSM 50529
Summary
Some 2021-2022 Bronco/F-150/Explorer/Aviator/Police Interceptor Utility and 2022 Transit vehicles may exhibit harsh/delayed engagement and/or harsh/delayed shift concerns. These may be addressed with the powertrain control module (PCM)/transmission control module (TCM) Transmission Accelerated Main Control Break In Routine and/or a main control overhaul. Refer to Workshop Manual (WSM), Section 307-01, DTC Chart if DTCs are present and/or Diagnosis By Symptom to identify the clutch(s) to be cycled. Cycling the shift solenoids and clutch control valves to remove contamination must be performed along with an adaptive drive cycle before attempting repair. For claiming, use causal part 7A100 and applicable labor operations in Section 7 of the Service Labor Time Standards (SLTS) Manual.
1 Associated Document
Manufacturer Communications
SSM 50529 – 2021-2022 Various Vehicles – 10R60/10R80/10R80-MHT Automatic Transmission – Harsh/Delayed Engagement And/Or Harsh/Delayed Shift
MC-10208154-0001.pdf 118.132KB
NHTSA ID Number: 10205474
Manufacturer Communication Number: SSM 50329
Summary
Some 2021 Bronco/F-150/Explorer/Aviator/Police Interceptor Utility vehicles, non-hybrid, may exhibit harsh/delayed engagement and/or harsh/delayed shift concerns. These may be addressed with the powertrain control module (PCM)/transmission control module (TCM) Transmission Accelerated Main Control Break In Routine. Refer to Workshop Manual (WSM), Section 307-01, DTC Chart and/or Diagnosis By Symptom to identify the clutch(s) to be cycled. Cycling the shift solenoids and clutch control valves to remove contamination must be performed along with an adaptive drive cycle before attempting repair. This routine’s usage has been expanded for various symptoms across the life of the vehicle. For claiming, use causal part 7A100 and applicable labor operations in Section 7 of the Service Labor Time Standards (SLTS) Manual.
1 Associated Document
Manufacturer Communications
SSM 50329 – 2021 Various Vehicles – 10R60/10R80 Automatic Transmission – Harsh/Delayed Engagement And/Or Harsh/Delayed Shift
NHTSA ID Number: 10202622
Manufacturer Communication Number: SSM 50184
Summary
Some 2021 Bronco/F-150/Explorer/Aviator/Police Interceptor Utility vehicles, excluding hybrid, may exhibit harsh or delayed engagement/shift concerns. Most concerns may be addressed with the PCM/TCM Transmission Accelerated Main Control Break In Routine. Refer to Workshop Manual (WSM), Section 307-01, DTC Chart and/or Diagnosis By Symptom to identify the clutch(s) to be cycled. This routine cycles the shift solenoids and clutch control valves to remove contamination that may be sticking the valves and must be performed along with an adaptive drive cycle before attempting internal service. Although this routine was developed for low mileage vehicles, it’s usage is being expanded for various symptoms across the life of the vehicle. For claiming, use causal part 7A100 and applicable labor operations in Section 7 of the Service Labor Time Standards (SLTS) Manual.
1 Associated Document
Manufacturer Communications
SSM 50184 – 2021 Various Vehicles – 10R60/10R80 Automatic Transmission – Harsh Engagement/Harsh Shift/Delayed Shift
NHTSA ID Number: 10187986
Manufacturer Communication Number: SSM 49582
Summary
Some 2021 F-150/Explorer/Aviator/Police Interceptor Utility vehicles, excluding hybrid, with 5,000 miles (8,000 km) or less may exhibit harsh or delayed engagement/shift concerns with or without transmission diagnostic trouble codes (DTC) in the powertrain control module (PCM). Most concerns at low mileage may be addressed with the accelerated main control break-in routine. Refer to Workshop Manual (WSM) Section 307-01 Diagnosis and Testing, DTC Chart and/or Diagnosis By Symptom to identify the clutch(s) to be cycled. This routine cycles the shift solenoids and clutch control valves to remove contamination that may be sticking the valves and must be performed along with an adaptive drive cycle before attempting internal service. For claiming, use causal part 7A100 and applicable labor operations in Section 7 of the Service Labor Time Standards (SLTS) Manual.
1 Associated Document
Manufacturer Communications
SSM 49582 – 2021 Various Vehicles – 10R60/10R80 Automatic Transmission – Harsh Engagement/Harsh Shift/Delayed Shift With Or Without DTCs
MC-10187986-0001.pdf 115.938KB
NHTSA ID Number: 10186648
Manufacturer Communication Number: SSM 49507
Summary
Some 2021 F-150/Explorer/Aviator/Police Interceptor Utility vehicles, excluding hybrid, with 5,000 miles (8,000 km) or less may exhibit harsh or delayed engagement/shift concerns with or without transmission diagnostic trouble codes (DTC) in the powertrain control module (PCM). Most concerns at low mileage may be addressed with the accelerated main control break-in routine. Refer to Workshop Manual (WSM) Section 307-01 Diagnosis and Testing, DTC Chart and/or Diagnosis By Symptom to identify the clutch(s) to be cycled. This routine cycles the shift solenoids and clutch control valves to remove contamination that may be sticking the valves, and must be performed before attempting internal service. For claiming, use causal part 7A100 and applicable labor operations in Section 7 of the Service Labor Time Standards (SLTS) Manual.
1 Associated Document
Manufacturer Communications
SSM 49507 – 2021 Various Vehicles – 10R60/10R80 Automatic Transmission – Harsh Engagement/Harsh Shift/Delayed Shift With Or Without DTCs
MC-10186648-0001.pdf 115.611KB
- Widely compatible with a huge range of vehicles and specifications including: Dexron ULV, Mercon ULV, Nissan Matic P, JATCO 9 Speed, BMW 83-22-2-413-477 ATF 7 and many other ULV applications.
- EXTENDED DRAIN: Long drain intervals of up to 150,000 miles for standard driving and 70,000 miles for heavy-duty applications
- COLD WEATHER READY: Engineered for extreme conditions with a pour point down to -50°F, ensuring top fuel economy and performance in freezing temperatures
- OEM REPLACEMENT: 100% synthetic ATF Compatible with Mercon ULV, Dexron ULV, WSS-M2C949-A or MB 2236.17, and other ULV applications in European and US cars, trucks, and SUVs
- ADVANCED COMPATIBILITY: Compatible with GM 10L80/10L90, Escalade (2021+ with 10L80), CT6 3.0TT and 4.2TT (2019+ with 10L80), Silverado 1500 (2019+ with 10L80), Camaro SS / ZL1 (2017+ with 10L80/90), Tahoe and Suburban (2021+ with 10-speed), Sierra 1500 (2019+ with 10L80), and Yukon and Yukon XL with 10 speed transmissions
Last update on 2026-05-31 / Affiliate links / Images from Amazon Product Advertising API
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