LCM Alert Validation

Confidence

Failure Category

No Fault Found

Subcategory

No Fault Found

Sensor Verdict: The LCM alert flagged the GREEN circuit (Right Turn / roadside rear turn) as faulted on trailer V561188. Based on the available evidence, the sensor result is classified as Inconclusive with a confidence level of 35. The technician verbally reported all lights functioning upon testing, which could suggest a transient or intermittent fault; however, without a completed TechAssist verification screenshot showing a green 'Verified' status on all five circuits — particularly the GREEN circuit — there is no objective confirmation that the alerting circuit was cleared or that the sensor alert was unfounded. The absence of photo documentation and formal PCT confirmation leaves the alert in an unresolved state.

Photo Evidence: No photos were provided with this work order. The LCM troubleshooting procedure explicitly requires photos of each light illuminated, a clear image of the nosebox wiring, and a TechAssist app completion screenshot showing green 'Verified' status beside each of the five circuits. None of these were submitted. Without photographic evidence, it is impossible to independently assess the condition of the GREEN (Right Turn) circuit, the nosebox connectors, or the wiring harness. This is a significant documentation deficiency that prevents any meaningful validation of the technician's verbal finding.

Vendor Compliance: Vendor compliance with the prescribed LCM troubleshooting procedure is poor. While the technician did log into the Phillips Connect app and attempted sensor activation, the work order contains no TechAssist completion screenshot, no circuit-level verification confirmation, and no photos of any lighting components. The technician's note that they were 'unable to connect TPMS sensors' and the redirect to a separate TPMS ticket (#129883) suggests the visit became focused on TPMS rather than the LCM lighting complaint. The required feedback category (from the defined list) was not formally provided — the technician's notes amount to an informal 'all lights working' statement without structured diagnostic documentation. The troubleshooting procedure was not followed to completion.

Repair Summary: No repairs were made to the trailer lighting system. The line items billed reflect TPMS sensor activation labor (0.1 hr standard service), lot service hourly labor (0.5 hr), and a shop supply/environmental fee — none of which are attributable to the GREEN circuit LCM alert. The alerting circuit (GREEN / Right Turn) was neither repaired nor formally cleared. The parts and labor billed are entirely mismatched to the original LCM complaint, raising questions about whether the lighting issue received any substantive attention during this visit.

Key Concerns: Several issues warrant escalation. First, the work performed was largely TPMS-related, effectively diverting the visit away from the LCM lighting complaint — the GREEN circuit alert remains open and unvalidated. Second, no photographic evidence or TechAssist verification screenshot was submitted, which is a direct non-compliance with the LCM troubleshooting SOP. Third, the technician identified an active ABS fault light and noted the unit needs to be re-dropped for ABS diagnosis, meaning the trailer has at least two unresolved system issues beyond the original complaint. Fourth, billing LOT SERVICE HOURLY LABOR under the 'Aerodynamic devices > Air deflector' VMRS category is a mismatch that suggests either a coding error or improper line item usage. This work order should be flagged for vendor follow-up: the trailer needs to be re-inspected specifically for the GREEN circuit with full PCT verification and photo documentation before the LCM alert can be closed.