melissa_peters37
Audi A4 Power Window System Total Failure Fix Guide
Summary of the thread
The conversation centers around a total failure of the power window system in a 2001 Audi A4, with all window switches ceasing to function and a diagnostic error code indicating a potential issue with the window regulator. This problem is identified as common in aging Audi models, often involving a faulty window regulator and control module. Suggested solutions include replacing the window regulator assembly and master switch unit, with emphasis on having the repair done by a qualified technician familiar with Audi electrical systems to ensure proper diagnostics and reset of the window control module. The repair process typically involves removing the door panel and may also address related issues like worn window tracks.
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4 comment(s)
melissa_peters37 (community.author)
Thanks for sharing your experience. I had a similar window mechanism issue with my Audi A4 2003. The power windows started acting up, and the repair ended up requiring both a new window regulator and control module. Can you share what the total repair cost was in your case? Its helpful to know current prices since these issues are becoming more common in aging models. Also, did any other electrical problems show up after fixing the window control system?
tim_williams55
Good news, I recently got the faulty window regulator fixed at my local mechanic. The total repair cost came to 200 Euro, which covered replacing the defective power window switch and some minor wiring repairs. The window mechanism now works perfectly in all positions. Since fixing the window control system, everything has been running smoothly with no additional electrical issues. The car window moves up and down without any of the previous sticking or noise problems. My mechanic confirmed that replacing these window components often prevents further electrical problems from developing. Looking back, getting a proper diagnostic and repair from a qualified technician was definitely worth the investment. The automotive repair process was straightforward once they identified the exact cause. The new window regulator seems much more robust than the original part. From my experience with this repair, I would definitely recommend addressing any window control issues promptly to avoid more extensive damage to the system.
melissa_peters37 (community.author)
Thanks for everyones input. I wanted to share how my repair turned out. Took my A4 to the shop last week and the issue was exactly what some of you mentioned, a faulty window regulator combined with a damaged control module. The repair took about 3 hours. The mechanic had to remove the door panel to access the power windows system. They found the window track had some wear too, so they replaced that while they were in there. Total cost came to 450 Euro for parts and labor. The window control is working perfectly now, no more strange noises or sticking. The mechanic tested all windows multiple times and recalibrated the system. No other electrical issues have shown up since the repair. For anyone else facing similar problems, getting it fixed by a qualified tech who knows these systems is definitely worth it. The power windows work better now than they have in years.
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AUDI
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A4
tim_williams55
Had the same problem on my 2004 Audi A6 2.0L. The power windows failed completely, and the diagnostic showed a similar fault code. The issue turned out to be more complex than just the switches. The repair required removing the door panel to access the window regulator motor. The main problem was a failed master power window switch unit, but the window track was also damaged from prolonged stress. The window motor connections had corroded, causing intermittent function before complete failure. This is actually a known issue with these models. The repair involved replacing the complete window regulator assembly and the master switch unit. While not the most serious mechanical problem, it requires specific expertise because the door panel removal needs careful handling to avoid damaging the clips and interior trim. The job took about 4 hours at the shop, mainly because they needed to test each window mechanism after the repair. Its worth having all power windows checked when this happens, as the other regulators often show wear around the same time. This repair should definitely be done by someone familiar with Audi electrical systems, as proper diagnostic equipment is needed to reset the window control module after parts replacement.