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2023 Pathfinder Platinum Rough Shifts and 4WD Engagement Delay

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Chris P. · rep 0 · May 22, 2:55 AM · 1 replies · solved · Question

Vehicle: 2023 Nissan Pathfinder Platinum

I recently purchased a 2023 Nissan Pathfinder Platinum, and I've noticed some concerning behavior with the transmission and 4WD system. The 9-speed automatic transmission sometimes has rough or delayed shifts, particularly between 2nd and 3rd gear. It's not constant, but it's noticeable enough to be concerning for a brand new vehicle.

Also, when I try to engage 4WD modes, there's a noticeable delay, and sometimes it feels like it doesn't engage smoothly. Given it's a new vehicle, I'm quite worried about these issues. Is this something that needs immediate attention, or is it just the transmission "learning" during the break-in period? What should I tell the dealer?

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 22, 2:55 AM

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ClearTheCode admin answer:

It's understandable to be concerned about rough shifts and 4WD engagement delays in a brand new 2023 Nissan Pathfinder Platinum. While some transmissions have a 'learning' period, persistent rough or delayed shifts and 4WD issues are not typically considered normal operation and warrant investigation.

Here's what you should do:

  1. Document Everything: Keep a detailed log of when these issues occur, including speed, gear, engine temperature, and any specific conditions (e.g., cold start, uphill, specific 4WD mode). This information will be invaluable to the dealership technicians.
  2. Check for TSBs and Software Updates: New vehicle models often have initial software bugs that are addressed through Technical Service Bulletins (TSBs) and software updates. Nissan may have released updates for the 9-speed transmission or the 4WD control module to improve performance and address these exact symptoms.
  3. Transmission Fluid Level/Condition: Although it's a new vehicle, an incorrect transmission fluid level from the factory or a rare fluid contamination could contribute to shifting issues. This should be checked by a professional.
  4. Diagnostic Scan: Even without a check engine light, a dealership can perform a comprehensive diagnostic scan using their specialized tools. This can reveal pending transmission (P07xx codes) or 4WD system (Cxxxx codes) fault codes that aren't yet severe enough to trigger a dashboard warning.
  5. 4WD System Check: The delay in 4WD engagement could be due to a sensor issue, a problem with the transfer case motor, or a software calibration. The system should engage relatively quickly and smoothly.

When to see a shop: You should schedule a service appointment with your Nissan dealership immediately. Since the vehicle is new and under warranty, all diagnostics and repairs should be covered. Clearly explain your observations and provide your detailed log. Do not dismiss these issues as 'normal break-in' without professional assessment, as they could indicate a manufacturing defect.

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