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CP_a189 — Resistive Presence Rationality

Full alert identifier: CP_a189_resistivePresenceRationality

Alert description

The Charge Port (CP) Electronic Control Unit (ECU) is reading irrational values from resistive divider located in the CP door, which may prevent the CP door from opening when pressed.

Potential impact

The CP may not be able to determine the state of the manual door.

Set condition

The values from the resistive divider in the CP door are outside of the expected range.

Clear condition

The values from the resistive divider in the CP door are within the expected range.

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
Resistive Divider Voltage CP_a189_resistiveDividerVoltage V

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of CP_a189.

Browse all CP alert codes