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Rough Shifting on 2017 MDX 9-Speed Transmission - Is this normal?

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Chris P. · rep 0 · May 22, 5:02 AM · 1 replies · solved · Question

Hey everyone,

I've got a 2017 Acura MDX Advance with about 75,000 miles, and lately, the 9-speed transmission has been acting a bit strange. I'm noticing some pretty harsh shifts, especially when accelerating from a stop or at lower speeds between 1st and 3rd gear. It feels like it's hesitating or clunking into gear sometimes.

Is this a known issue with these transmissions? I've heard some things about the ZF 9-speed in other vehicles. Are there any TSBs (Technical Service Bulletins) or common fixes for this? I'm trying to figure out if this is just a characteristic of the transmission or something I should be worried about for reliability.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 5:02 AM

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ClearTheCode guidance (Acura · Buying & ownership)

Summary: For Rough Shifting on 2017 MDX 9-Speed Transmission - Is this normal?, work through these steps on your 2016+ vehicle:

  1. Confirm the symptom — note when it happens (cold start, highway, after fuel fill, etc.).
  2. Scan codes — save all pending/stored DTCs; don't clear until you've recorded them.
  3. Check TSBs & recalls — look up your VIN for open campaigns and known fixes.
  4. Inspect the obvious — related fuses, connectors, fluid level, and recent repairs.
  5. Test the common fix — follow model-specific service procedures; one change at a time.
  6. Escalate if needed — burning smell, no brakes, overheating, or stalling in traffic → shop visit.

Owner reported: Hey everyone,

I've got a 2017 Acura MDX Advance with about 75,000 miles, and lately, the 9-speed transmission has been acting a bit strange. I'm noticing some pretty harsh shifts, especially when accelerating from a stop or at lower speeds between 1st and 3rd gear. It feels like it's hesitating or clunking into gear sometimes.

Is this a known issue with these transmissions? I've heard some thing…

This is educational guidance, not a substitute for hands-on diagnosis.

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