VCTRAILER_a203 — Current Sense Plausibility

Full alert identifier: VCTRAILER_a203_currentSensePlausibility

Alert description

The vehicle trailer controller (VCTRAILER) detected that individually measured currents for all loads on the Switched-Tank Converter (STC), the individual loads for the trailer lights and brakes, does not add up to the total current measurement of the STC

Potential impact

Trailer brakes may be inoperative

Set condition

Total measured STC current does not equal sum of individually measured STC current loads while the vehicle is in Drive power state

Clear condition

Toggle Trailer Mode OFF and ON

Signals to check

These diagnostic fields are associated with VCTRAILER_a203. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
Brake Current `VCTRAILER_a203_brakeCurrent`	A
Lighting Current `VCTRAILER_a203_lightingCurrent`	A
Stc Current `VCTRAILER_a203_stcCurrent`	A

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of VCTRAILER_a203.