Multiple Sensor Failures in Suzuki Jimny Need Urgent Fix

A similar issue occurred with my 2015 Suzuki Swift diesel. Multiple car electronics failures pointed to moisture damage behind the rain sensor mounting. The gel pad securing the auto sensor to the windshield had developed air bubbles, compromising the sensor calibration and connections. The root cause was water intrusion through deteriorated sealing around the sensor housing. This affected the entire sensor cluster, impacting multiple systems including headlight control and speedometer illumination. The repair required: Complete removal of sensor assembly, Cleaning of corroded electrical contacts, Replacement of the gel pad and sealing components, Full sensor calibration after reinstallation This was a serious issue requiring specialized equipment for proper sensor calibration. The problem commonly occurs in aging vehicles when the original sealant breaks down. If left unaddressed, moisture can spread to other car components and cause widespread electrical system damage. Main indicators it was the gel pad: Multiple sensor failures occurring simultaneously, Visible bubbling or discoloration around sensor mount, Error codes related to rain sensor and light functions, Signs of moisture in the sensor housing Recommend having this checked by a shop with proper diagnostic tools and experience with automotive sensor systems.

Thanks for that detailed response. Your experience matches what I dealt with regarding the failing rain sensor and other electrical gremlins. My mechanic also traced it to water damage around the sensor housing. Just wondering, what did the repair end up costing you? And have you noticed any recurring sensor fault issues since getting it fixed? I want to gauge if its worth pursuing the same fix or if I should explore other options. Looking at my Jimny, I can already see some concerning signs around the sensor mount that match what you described. The whole area looks weathered, which makes sense after a decade of exposure.

Glad my earlier response helped identify the issue. Since having the malfunctioning sensor repaired, all systems have worked flawlessly with no recurring electrical faults. The repair cost was 62€ to replace the deteriorated gel pad, which had developed those telltale bubbles under the rain sensor mount. The fix has proven completely trustworthy, the auto headlights respond correctly and the rain sensor functions as designed. Going on 8 months now with zero sensor fault warnings or related electrical issues. The speedometer illumination and all other affected systems returned to normal operation after addressing the moisture intrusion problem. The key was catching it before water damage could spread to other electronic components. Looking at your description of the weathered sensor area on your Jimny, getting it addressed soon would be wise to prevent more extensive electrical system complications. The repair cost is reasonable considering it resolves multiple sensor failures with one fix.

After getting your input, I took my Jimny to a specialized auto electronics shop. The diagnostic confirmed moisture intrusion around the rain sensor housing was causing the electrical fault just as you described. The repair came to 85€ total, slightly more than yours but included a full sensor calibration and replacement of degraded weather seals. Been about 3 weeks since the fix and all systems are working perfectly again. The auto headlights activate properly, rain sensor responds as it should, and speedometer illumination is back to normal. Really glad I addressed this before the moisture could cause more extensive damage to other electronics. The mechanics showed me the old gel pad with obvious deterioration and bubbling. The new seals they installed look much more robust. Thanks for helping me identify the root cause. Saved me from getting unnecessary repairs or replacements of perfectly good components. Would definitely recommend others check their sensor housing seals if experiencing similar malfunctioning sensor issues.