LCM Alert Validation

Confidence

Failure Category

Wiring

Subcategory

Smart7 - Wiring in Smart7

Sensor Verdict: The LCM sensor alert on the RED (Brake) circuit is validated as a genuine defect. The technician's findings — brake lights were dimmed due to a loose wire in the nosebox — are consistent with the type of partial circuit degradation the LCM system is designed to detect. Confidence is high (85%) given the direct correlation between the alert and the confirmed root cause, with minor uncertainty remaining because no TechAssist app verification was completed to formally close out the circuit assessment.

Photo Evidence: Three photos were submitted with this work order, categorized as two 'OTHER' images and one 'TIRES' image. The two 'OTHER' photos show the wheel hub/axle end area with what appears to be an automatic tire inflation system (ATIS) connected to the hub — these are not nosebox photos and are not relevant to the brake light circuit repair. The 'TIRES' photo shows a close-up of tire tread with visible cracking and embedded stones, suggesting tire wear concerns unrelated to the LCM alert. Critically absent are: photos of the brake lights illuminated, photos of the nosebox wiring, and a TechAssist app completion screenshot. The submitted photos appear to belong to a different inspection or defect category entirely and do not support the brake light repair documented in the notes.

Vendor Compliance: The vendor (TA) did not follow the LCM troubleshooting procedure as instructed. The Phillips Connect TechAssist (PCT) app was not used, and no green 'Verified' screenshot was provided for any of the five circuits. No photos of illuminated lights were taken, and no clear nosebox photo was included — the submitted photos are unrelated to the lighting repair. The technician's notes do reference activating the lights and inspecting the nosebox, which aligns with the general intent of the procedure, but documentation falls significantly short of the required standard.

Repair Summary: The repair consisted of identifying and tightening a loose wire in the nosebox that was causing the brake lights to be dim. No parts were replaced, and no line items were submitted, suggesting this was a labor-only correction. The repair directly addressed the alerting RED (Brake) circuit, and the technician confirmed lights were operational upon completion. While the fix appears appropriate and effective, the absence of parts documentation and PCT verification leaves the repair unconfirmed by any objective standard.

Key Concerns: Several flags are raised on this work order. First, the submitted photos are completely mismatched to the reported defect — hub/ATIS and tire tread images have no relevance to a nosebox wiring repair, suggesting possible photo mix-up or incorrect attachment to this WO. Second, no TechAssist app was used, which is a direct non-compliance with the prescribed procedure and means the other four circuits were not formally verified. Third, there are no line items despite a completed repair, which may indicate the work was performed under a flat-rate or the documentation was not properly recorded. The tire photo showing tread cracking may warrant a separate follow-up inspection. Overall, while the core defect appears to have been found and fixed, the documentation and procedural compliance quality for this work order is poor.