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VCFRONT_a274 — Failure To Precharge Risk2

Full alert identifier: VCFRONT_a274_failureToPrechargeRisk2

Alert description

Based on historical data, the vehicle controller determines there is a high probability the low voltage (LV) battery will not successfully precharge the high voltage (HV) bus. This alert is intended to capture LV battery conditions and assist with diagnosis if primary alert failureToPRechargeRisk cannot be logged by the vehicle Gateway (GTW) at time of initial occurrence due to LV undervoltage condition.

Potential impact

This information is not available in the alert reference.

Set condition

This information is not available in the alert reference.

Clear condition

This information is not available in the alert reference.

Signals to check

These diagnostic fields are associated with VCFRONT_a274. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Dcr Milli Ohms Above Threshold Trigger VCFRONT_a274_dcrMilliOhmsAboveThresholdTrigger —
Dead LV Minimal Ah Discharged Trigger VCFRONT_a274_deadLVMinimalAhDischargedTrigger —
Instant Precharge DCR Too High Trigger VCFRONT_a274_instantPrechargeDCRTooHighTrigger —
Precharge LV Load Reduction Trigger VCFRONT_a274_prechargeLVLoadReductionTrigger —
Resistance Estimation Hard Fail Trigger VCFRONT_a274_resistanceEstimationHardFailTrigger —
Shorted Cell Test Trigger VCFRONT_a274_shortedCellTestTrigger —
Volt Drop On High Current Trigger VCFRONT_a274_voltDropOnHighCurrentTrigger —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCFRONT_a274.

Browse all VCFRONT alert codes