LCM Alert Validation

Confidence

Failure Category

Wiring

Subcategory

Smart7 - Wiring in Smart7

Sensor Verdict: The LCM alert on the GREEN (Right Turn) circuit is assessed as a legitimate defect detection with 82% confidence. The technician's own notes confirm that the GREEN nosebox post was found to be 'very loose,' which is a well-known cause of circuit-level signal loss that the Phillips Connect LCM system is designed to detect. The loose post would interrupt or degrade the electrical continuity of the right turn circuit, triggering a valid alert. Confidence is not at 100% because no TechAssist app verification was completed and no photographic evidence was provided to independently corroborate the defect or the repair outcome.

Photo Evidence: No photos were attached to this work order. The LCM troubleshooting procedure explicitly requires photos of each light illuminated, a clear nosebox wiring photo, and a TechAssist app screenshot showing 'Verified' beside all 5 circuits. None of these deliverables were met. Without visual documentation, it is impossible to independently confirm the condition of the nosebox wiring, the state of the repaired post, or that all lights in the GREEN circuit were fully functional following the repair. This represents a significant documentation gap.

Vendor Compliance: Vendor compliance with the prescribed LCM troubleshooting procedure is poor. The technician did not use the Phillips Connect TechAssist app, did not provide the required circuit-by-circuit verification screenshot, and did not photograph any lights or the nosebox. The free-text notes describe a reasonable physical inspection and a plausible repair, but they do not align with the structured feedback categories required (e.g., the correct category here would be 'missing nut in nosebox' or more accurately 'damaged connector' / loose post condition). The narrative is informal and contains typographical errors, suggesting a cursory documentation effort. The procedure requires specific, structured feedback and app-based confirmation — neither was delivered.

Repair Summary: The repair performed was tightening the loose GREEN post in the nosebox and securing all other posts as a preventive measure. No parts were replaced. The repair directly addresses the faulted GREEN (Right Turn) circuit and is the appropriate corrective action for a loose nosebox post. However, the line items on the work order are highly irregular — they reference tire pressure monitoring sensor activation, standard service labor, shop supply fees, and lot service hourly labor. None of these line items are consistent with a nosebox electrical repair. The absence of any lighting-specific labor line item coded to the correct ATA/repair category is a billing compliance concern.

Key Concerns: Several flags warrant follow-up. First, the line items are entirely mismatched to the repair described — referencing TPMS sensor activation and lot labor rather than lighting/electrical repair labor, which raises questions about whether this work order was billed correctly or if charges from a different job were bundled in. Second, no PCT TechAssist app was used and no photos were submitted, both of which are hard requirements of the LCM procedure. Third, the failure subcategory 'missing nut in nosebox' is the closest standard match, though the actual issue was a loose post rather than a missing nut — the vendor should have specified this more precisely. Fourth, with all posts tightened but no app-verified confirmation, there is residual risk that other circuits may have marginal connections that could generate future alerts. A follow-up PCT scan is recommended to confirm full circuit health on all 5 channels.