DSD Information System
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DTC P1BF9-46: Internal Control Module (EEPROM Estimated Temperature Information) Calibration / Parameter Memory Failure [12/2019 - 11/2023]: Description

WARNING: This page is about a different variant/trim than selected.

The inverter with converter assembly monitors its internal operation and will store this DTC if it detects a malfunction of its EEPROM.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P1BF9-46 Internal Control Module (EEPROM Estimated Temperature Information) Calibration / Parameter Memory Failure ECU internal malfunction
(EEPROM error)
(2 trip detection logic)
Inverter with converter assembly Does not come on Master Warning:
Comes on