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2017 Golf R DSG Jerking and Hesitation During Shifts - What's Going On?

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Mike T. · rep 0 · May 25, 3:19 AM · 1 replies · solved · Question

Vehicle: 2017 Volkswagen Golf R

Hey everyone,

I've got a 2017 Volkswagen Golf R, and recently I've noticed some really concerning behavior from the DSG transmission. When shifting, especially in the lower gears (1st to 2nd, 2nd to 3rd), there's a distinct jerkiness and sometimes a hesitation before the gear engages fully. It feels like the car is struggling to find the right gear or the clutch isn't engaging smoothly.

It's not constant, but it's becoming more frequent, particularly in stop-and-go traffic. I haven't seen any warning lights on the dash yet, but it's definitely not the smooth shifts I'm used to. Has anyone else experienced this with their Golf R or other VW DSG vehicles? Any ideas on what might be causing this issue?

Thanks for any insights!

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 25, 3:19 AM

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ClearTheCode admin answer:

This is a common concern with Volkswagen's DSG (Direct Shift Gearbox) transmissions, particularly as they age or accumulate mileage. The jerking and hesitation you're describing often points to issues within the mechatronics unit or the clutch packs themselves.

Common Causes:

  1. Mechatronics Unit Failure: This is the control unit for the DSG, housing the transmission's computer and hydraulic actuators. Over time, components within can wear, leading to inconsistent shifting. Fault codes like P0700 (Transmission Control System Malfunction) or specific P17xx codes related to clutch or mechatronics issues are common here.
  2. Worn Clutch Packs: The DSG uses two separate clutch packs. If one or both are worn, they won't engage or disengage smoothly, causing jerking and hesitation, especially during low-speed shifts.
  3. Low or Contaminated Transmission Fluid: While less common if regular maintenance is done, incorrect fluid levels or severely degraded fluid can impact shifting performance.
  4. Software Glitches: Sometimes, a simple software update for the transmission control module (TCM) can resolve minor shifting issues.

When to See a Shop:

  • Immediately: If the problem worsens, you notice any new warning lights (like a flashing 'PRNDS' on the dash or a check engine light), or if the car enters 'limp mode.'
  • Soon: Even without warning lights, persistent jerking and hesitation indicate a mechanical issue that should be addressed. Delaying could lead to more severe and costly damage.

Recommended Steps:

  1. Scan for Codes: Even without a dash light, a professional scan tool can often pull 'pending' or 'history' fault codes from the transmission control module (TCM) that can pinpoint the issue.
  2. DSG Service History: Ensure your DSG fluid and filter service has been performed at the recommended intervals (typically every 40,000 miles). If not, start there.
  3. Professional Diagnosis: A Volkswagen specialist or dealership can perform diagnostic tests on the mechatronics unit and clutch packs to determine the exact cause and recommend the appropriate repair, which could range from a software update to a mechatronics unit replacement or clutch pack replacement.
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