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CP_a156 — Gbdc Precharging Concern

Full alert identifier: CP_a156_gbdcPrechargingConcern

Message shown in the car

DC Fast Charging may prevent vehicle restart OK to AC charge - Schedule service

Alert description

The vehicle controller detects that precharging the high voltage (HV) DC bus may be unsuccessful, which may lead to the inability to close the HV contactors and a complete loss of vehicle power. Charging vehicles with GB (charging standard used in China) charge ports requires opening and closing the HV contactors.

Potential impact

If GB DC charging is attempted, the charge session may fail, the HV contactors may not close again, and there may be a complete loss of LV power.

Set condition

The vehicle controller detects that precharging the HV DC bus may be unsuccessful.

Clear condition

The vehicle controller no longer detects that precharging the HV DC bus may be unsuccessful.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of CP_a156.

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