PCS_a044 — 12v Support Regulation

Full alert identifier: PCS_a044_12vSupportRegulation

Alert description

PCS DCDC is not able to regulate LV output

Inability to support 12V system

DCDC converter 12V support regulator detects irrational condition

DCDC converter state machine clears faults

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
Dcdc Lv Bus Current A `PCS_a044_dcdcLvBusCurrent_A`	A
Short Time Us `PCS_a044_shortTime_us`	us
V Tank Peak Abs V `PCS_a044_vTankPeak_abs_V`	V

Signal	Unit
Fault Reason Code `PCS_a044_FaultReasonCode` 0 SNA 1 HIGH CURRENT 2 WRONG DIRECTION 3 IRRATIONAL SHORTTIME	—

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS_a044.