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Home >> Toyota >> 2022 >> Avalon XLE >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Hybrid Control System (Nickel Metal Hydride) - Diagnostic Codes (P0560-P0A9B)) >> HYBRID CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY) >> DTC P0A1B-94: Drive Motor "A" Control Module Unexpected Operation [04/2018 - 08/2020] >> Description

DTC P0A1B-94: Drive Motor "A" Control Module Unexpected Operation [04/2018 - 08/2020]: Description

WARNING: This page is about a different car, the 2020 Toyota Avalon and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

The hybrid vehicle control ECU monitors the motor generator control ECU (MG ECU) and stores this DTC when it detects a malfunction.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate
P0A1B-94 Drive Motor "A" Control Module Unexpected Operation The motor generator control ECU (MG ECU) value received by the hybrid vehicle control ECU exceeds the threshold for a certain period of time.
(1 trip detection logic)
  • Inverter with converter assembly
  • Fusible link block assembly (IGCT fuse)
  • IGCT relay
Comes on Master Warning Light:
Comes on