Skip to content

PCS2_a147 — Power Rail Over Voltage

Full alert identifier: PCS2_a147_powerRailOverVoltage

Alert description

The generated power rail (4.5V, 10V, 13.5V, 18V, or 48V) has gone above than the allowed upper threshold

Potential impact

DCDC and AC Charging may be limited or unavailable.

Set condition

The power rail (4.5V, 10V, 13.5V, 18V or 48V) has gone above than the allowed upper threshold

Clear condition

The power rail (4.5V, 10V, 13.5V, 18V or 48V) returns below the allowed upper threshold

Signals to check

Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.

Signal Unit
10 V 0 Rail Over Voltage Threshold PCS2_a147_10V0RailOverVoltageThreshold V
13 V 5 Rail Over Voltage Threshold PCS2_a147_13V5RailOverVoltageThreshold V
18 V 0 Rail Over Voltage Threshold PCS2_a147_18V0RailOverVoltageThreshold V
48 V 0 Rail Over Voltage Threshold PCS2_a147_48V0RailOverVoltageThreshold V
4 V 5 Rail Over Voltage Threshold PCS2_a147_4V5RailOverVoltageThreshold V
Buck Boost LV Input OV Threshold PCS2_a147_BuckBoostLVInputOVThreshold V
Signal Unit
10 V 0 Rail Over Voltage Trip PCS2_a147_10V0RailOverVoltageTrip —
13 V 5 Rail Over Voltage Trip PCS2_a147_13V5RailOverVoltageTrip —
18 V 0 Rail Over Voltage Trip PCS2_a147_18V0RailOverVoltageTrip —
48 V 0 Rail Over Voltage Trip PCS2_a147_48V0RailOverVoltageTrip —
4 V 5 Rail Over Voltage Trip PCS2_a147_4V5RailOverVoltageTrip —
Buck Boost LV Input OV Trip PCS2_a147_BuckBoostLVInputOVTrip —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS2_a147.

Browse all PCS2 alert codes