Understanding the compatibility of rain-light sensors with the automatic rain closing feature on a VW Alltrack can be confusing. This article clarifies the relationship between specific rain sensor part numbers and the rain closing functionality using insights gleaned from a VCDS scan.
Decoding Rain Sensor Part Numbers and Rain Closing Compatibility
Various rain-light sensors (RLS) have been tested on VW Golf Mk7 vehicles, with differing results regarding rain closing compatibility:
- Compatible (Rain Close Works): 5Q0 955 559, 5Q0 955 547
- Incompatible (Rain Close Does Not Work): 8U0 955 559, 7N0 955 559
A key distinction lies in the sensor component designation:
- RLFS: Rain closing possible
- RLHS: Rain closing not possible
This seemingly simple rule is where confusion arises. A VCDS scan of a 2018 VW Alltrack revealed the following:
Rain Light Recognition Sensor: Subsystem 2 - Part No SW: 5Q0 955 559 B HW: 5Q0 955 559 B Labels: 5Q0-955-547.CLB Component: RLS 047 0105 Serial number: S4Y17M09D13H12M27S26 Coding: 00A8DDDespite having part number 5Q0 955 559, known to be compatible with rain closing, the component is identified as “RLS” instead of “RLFS.” This discrepancy raises questions about the definitive indicator for rain closing functionality.
VCDS Scan of a 2018 VW Alltrack
A complete VCDS scan of the 2018 Alltrack is included below. While it doesn’t definitively answer the rain closing question, it offers valuable insights into the vehicle’s modules and their configurations. This data can be crucial for troubleshooting and diagnostics related to various vehicle systems. Using a Vcds Tool For Vw Alltrack allows for in-depth analysis and potential customization.
Practical Application and Further Investigation
While the 2018 Alltrack scan didn’t confirm rain closing functionality, a 2016 Golf R demonstrated the presence of an activation/deactivation option for auto rain closing in the vehicle settings. Further investigation, including a VCDS scan of the Golf R, is needed to correlate the RLS part number with the observed functionality. This underscores the importance of using a vcds tool for vw alltrack and other VW models for accurate diagnostics and feature analysis. Understanding these nuances can be critical for owners seeking to enable or troubleshoot rain closing features on their vehicles.
