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10L60 (GEN2)
10L80 (GEN2)
10L90 (GEN2)
10L1000
'18-'24 GM 10-SPEED AUTOMATIC TRANSMISSIONS:
The feed limit low valve in listed GM transmissions limits line pressure feed to the default disable solenoid and control valves. Feed limit low pressure is also connected to the boost ball system for “A” and “B” clutch control.
This feed limit low valve is subject to significant side-load force, resulting in severe wear and pressure loss to the default disable solenoid and connected control valves. This pressure loss can put the vehicle into default mode at high speeds, resulting in momentary wheel lockup, sudden downshift to 2nd Gear, harsh shifts or a P0747 code. The feed limit low valve can wear out in as little as 30,000 miles, with many vehicles requiring service by 35,000 miles.
A national recall from GM includes installing updated software that monitors valve performance and wear, then triggers a check engine light and reduced propulsion message 10,000 miles before failure. Vehicles are then limited to 5th Gear, commonly referred to as limp mode, until the valve body is serviced to address the failed valve.
Sonnax patented, drop-in feed limit low valve kit 105740-54K overcomes bore wear, restoring proper valve function immediately without the need or expense of replacing the entire valve body. The valve reroutes the balance circuit through an internal passage, significantly reducing the side-load force, while upgraded materials prevent future wear.
| 10L80 | 2018 - 2024 |
| 10L90 | 2018 - 2024 |
| 10L60 | 2020 - 2024 |
| 10L80/MHS | 2022 - 2024 |
| 10L80/MHT | 2022 - 2024 |
| 10L80/MQB | 2022 - 2024 |
| 10L80/MQC | 2022 - 2024 |
| 10L1000/MGM | 2020 - 2024 |
| 10L1000/MGU | 2020 - 2024 |
| 10L80/MI2 | 2023 - 2023 |
| 10L1000/MKM | 2024 - 2024 |
| Years | Vehicle | Drive Types |
|---|---|---|
| 2018 - 2024 | Cadillac Escalade ESV | RWD, 4WD |
| 2018 - 2024 | Cadillac Escalade | RWD, 4WD |
| 2019 - 2020 | Cadillac CT6 | AWD, RWD |
| 2020 - 2024 | Cadillac CT5 | AWD, RWD |
| 2020 - 2024 | Cadillac CT4 | AWD, RWD |
| 2018 - 2024 | Chevrolet Tahoe | RWD, 4WD |
| 2019 - 2024 | Chevrolet Suburban | RWD, 4WD |
| 2020 - 2024 | Chevrolet Silverado 3500 HD | RWD, 4WD |
| 2020 - 2024 | Chevrolet Silverado 2500 HD | RWD, 4WD |
| 2022 - 2022 | Chevrolet Silverado 1500 LTD | RWD, 4WD |
| 2019 - 2024 | Chevrolet Silverado 1500 | RWD, 4WD |
| 2018 - 2024 | Chevrolet Camaro | RWD |
| 2018 - 2024 | GMC Yukon XL | RWD, 4WD |
| 2018 - 2024 | GMC Yukon | RWD, 4WD |
| 2020 - 2024 | GMC Sierra 3500 HD | RWD, 4WD |
| 2020 - 2024 | GMC Sierra 2500 HD | RWD, 4WD |
| 2022 - 2022 | GMC Sierra 1500 Limited | RWD, 4WD |
| 2019 - 2024 | GMC Sierra 1500 | RWD, 4W |
