U225X PUBLIC RECORD / FIX-003 TITLE: 2020 Tiguan AC fuse-blowing diagnosis STATUS: Needs Retest CATEGORY: Repairs / Technology TYPE: troubleshooting The troubleshooting record separates a fuse symptom from possible compressor, fan, wiring, module, or programming causes. It emphasizes testing the circuit and confirming the cause before replacing a fuse repeatedly. GOAL: Find why the circuit opens instead of masking the symptom with another fuse. EQUIPMENT - Basic inspection tools - Service information for the exact model - Notebook or photo record STEPS - Record the exact fuse and operating condition. - Inspect connectors and wiring for damage or intrusion. - Test the circuit with the correct service information. - Confirm the failed load or control path before replacement. TROUBLESHOOTING - Separate a symptom from the component that might cause it. - Do not keep resetting or replacing a protective device without finding the cause. - If a safety-critical symptom appears, stop and obtain qualified inspection. SAFETY / LIMITS - Automotive electrical and refrigerant systems can be hazardous; use qualified service when needed. RESULT Needs Retest; vehicle-specific service data is required. SOURCE NOTE This is a public-safe summary assembled from the local content manifest and recovered notes. It is not a raw conversation transcript. Measurements, files, and outcomes remain marked as provisional where the source did not preserve enough evidence. PROPERTY OF U225X / PUBLIC-SAFE IMPORT