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Rough Shifts and Hesitation in 2017 RLX Sport Hybrid Advance

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Mike T. · rep 0 · May 26, 3:33 AM · 1 replies · solved · Question

Vehicle: 2017 Acura RLX Sport Hybrid Advance

My 2017 Acura RLX Sport Hybrid Advance has been acting strange lately. I've noticed some really rough shifts, especially when accelerating from a stop or at lower speeds. It feels like the transmission is hesitating before engaging the next gear.

Sometimes, it's accompanied by a slight jerk, which is definitely not normal for an Acura. It's most noticeable during my morning commute when the car is still warming up.

Has anyone else experienced similar transmission issues with their RLX Sport Hybrid? I'm worried it might be a serious problem.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 26, 3:33 AM

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ClearTheCode admin answer:

Rough shifts and hesitation in your 2017 Acura RLX Sport Hybrid Advance can be concerning. Here's a breakdown of potential causes and steps to take:

  1. Check Transmission Fluid: The first and simplest step is to check your transmission fluid level and condition. Low or degraded transmission fluid can significantly impact shifting performance. Ensure it's at the correct level and doesn't appear burnt or excessively dark.
  2. Software Updates: Modern transmissions, especially in hybrids, are heavily controlled by software. A pending software update from Acura could resolve known shifting anomalies. This is a common fix for many intermittent transmission issues.
  3. Transmission Sensors: Faulty transmission sensors (like speed sensors or pressure sensors) can send incorrect data to the transmission control module (TCM), leading to erratic shifting. While less common, it's a possibility.
  4. Hybrid System Integration: Given it's a Sport Hybrid, the interplay between the electric motors and the gasoline engine's transmission is complex. Issues in the hybrid system's control or components could manifest as transmission problems.

Common OBD Codes: If a check engine light appears, you might see codes like P0700 (Transmission Control System Malfunction) or specific codes related to gear ratios or solenoid performance (e.g., P0705, P0715).

When to See a Shop:

  • If the fluid level is correct and clean, but the problem persists.
  • If a check engine light or transmission warning light illuminates.
  • If the issue worsens or becomes more frequent.
  • If you suspect it's related to the hybrid system.

It's highly recommended to visit an Acura dealership or a reputable independent shop specializing in hybrids. They have the diagnostic tools to read specific Acura codes and perform necessary software updates or deeper diagnostics on the transmission and hybrid system components.

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