VW Jetta Power Tailgate Sensor Malfunction Fix Needed

Similar issue occurred on my 2016 VW Passat GTE hybrid last winter. The tailgate motor stopped responding correctly and would only open partially. The main problem turned out to be corroded wiring connections between the electrical sensor and the tailgate control module. When moisture gets into these connections, it can trigger false sensor readings, making the system think the tailgate is fully open when it isnt. This requires a thorough sensor calibration after cleaning or replacing the affected wiring harness. The repair involves: Testing the tailgate motor functionality, Inspecting wiring harness for damage, Cleaning or replacing corroded connectors, Recalibrating position sensors, Full system diagnostic check While not a major mechanical issue, this needs proper attention from someone experienced with vehicle sensor systems. The repair should be handled by a certified technician since incorrect calibration can lead to further issues with the power tailgate operation. The wiring harness is often the culprit rather than the sensors themselves. Have them check the connections first before replacing any components.

Thanks for the detailed info. Had exactly this problem with my Jetta last spring when the open tailgate function started acting up. My electrical sensor was giving false readings too. Found a certified technician who specializes in vehicle sensor systems. The repair included checking all connections and replacing a damaged section of the wiring harness. Everything works perfectly now with the power tailgate. Did you end up getting yours fixed? Curious what the final cost was and if youve had any other issues with the automatic tailgate since the repair?

Glad I could help. Yes, took my Passat to a certified workshop and they sorted out the tailgate issue completely. The problem was exactly as suspected, a damaged cable connection affecting the electrical sensor readings. The repair was straightforward and cost 95€ to fix the faulty wiring. The technician performed a full sensor calibration after replacing the connection, which was essential to restore proper power tailgate operation. Since the repair, the automatic tailgate has worked flawlessly for the past 8 months. No more partial opening or false readings from the hall sensor. Making sure the connections are properly sealed against moisture seems to have prevented any recurrence of the issue. Great to hear your Jetta is running well too. These sensor wiring problems are usually quite fixable when handled by someone who knows what they are doing with the calibration process.

Got it all sorted with my Jetta, wanted to share the outcome for anyone else dealing with tailgate sensor issues. After finding a better mechanic, it turned out pretty simple. The power tailgate problem was fixed in about 2 hours. They found moisture damage in the wiring harness near the electrical sensor. Total cost came to 120€ including parts and labor. The mechanic did a full sensor calibration after replacing the damaged section. Been working perfectly for 3 months now. The automatic tailgate opens and closes smoothly every time. Much better experience than my old mechanic who kept suggesting expensive replacements without checking the wiring first. Really appreciate the advice about finding someone who knows these sensor systems. Saved me from unnecessary repairs and got the real issue fixed properly.