PCS2_a148 — Ac Relay Voltage Irrational

Full alert identifier: PCS2_a148_acRelayVoltageIrrational

Alert description

The Power Conversion System (PCS2) detects the voltage sensor readings before and after the AC relay does not match the expected behavior of the given AC relay state.

Potential impact

DCAC functionality may be limited or paused.

Set condition

The AC relay voltage difference exceeds the expected threshold.

Clear condition

The AC relay voltage difference is within the expected 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
L 1 N Post Relay Voltage `PCS2_a148_l1nPostRelayVoltage`	V
L 2 N Post Relay Voltage `PCS2_a148_l2nPostRelayVoltage`	V
L 2 N Pre Relay Voltage `PCS2_a148_l2nPreRelayVoltage`	V
L 3 N Post Relay Voltage `PCS2_a148_l3nPostRelayVoltage`	V
L 3 N Pre Relay Voltage `PCS2_a148_l3nPreRelayVoltage`	V

Signal	Unit
Ac Relay State `PCS2_a148_acRelayState` 0 NOT DRIVEN 1 NOT DRIVE STARTUP 2 DRIVE STARTUP 3 DRIVE STARTUP RAMP DOWN 4 DRIVEN	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS2_a148.