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2017 F-150 10-Speed Harsh Shifting & Hesitation Issues

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Mike T. · rep 0 · May 25, 1:37 AM · 1 replies · solved · Question

Vehicle: 2017 Ford F-150 Lariat

My 2017 Ford F-150 Lariat, equipped with the 3.5L EcoBoost engine and the 10-speed automatic transmission, has been acting up lately. I've noticed it often shifts very harshly, particularly between the lower gears (like 3rd to 5th, and back down to 3rd).

Sometimes, it also hesitates significantly before engaging a gear, almost as if the transmission is confused about which gear to select. It's got about 75,000 miles on the odometer.

Is this a common issue with these 10-speed transmissions in the F-150? I'm quite worried about the long-term reliability and potential repair costs. Any insights or similar experiences would be greatly appreciated!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 1:37 AM

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ClearTheCode admin answer:

Harsh shifting and hesitation in the 10-speed automatic transmission (10R80) in 2017 Ford F-150s is a commonly reported concern, often addressed by Ford through various technical service bulletins (TSBs).

  1. Software Updates (TSBs): Many shifting issues can be resolved with a software recalibration of the Powertrain Control Module (PCM) and Transmission Control Module (TCM). Ford has released several TSBs (e.g., TSB 18-2274, TSB 19-2169) specifically for addressing harsh, delayed, or erratic shifts. These updates aim to improve the adaptive learning strategy of the transmission.
  2. Adaptive Learning: The 10R80 transmission uses adaptive learning to adjust shift parameters based on driving style. Sometimes, a reset of these adaptive tables, followed by a specific drive cycle, can help the transmission 're-learn' optimal shift points.
  3. Transmission Fluid Condition: While less common at 75,000 miles without other symptoms, dirty or low transmission fluid can contribute to poor shifting. A fluid level check and inspection for contamination is a good diagnostic step.
  4. Valve Body Issues: In some cases, internal transmission components, particularly the valve body, can develop issues leading to erratic shifting. This is a more involved repair.
  5. When to See a Shop: If a software update doesn't resolve the issue, or if you notice any new warning lights (e.g., 'Service Engine Soon' with potential P07XX transmission-related codes), or a significant worsening of symptoms (like slipping or grinding), it's crucial to have a qualified Ford technician diagnose the vehicle. They can check for specific TSBs applicable to your VIN and perform advanced diagnostics.
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