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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 28 (Hybrid Control System (Lithium-Ion Battery) - Diagnostic Codes (1 Of 6)) >> HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY) >> DTC P0A1B-94: Drive Motor "A" Control Module Unexpected Operation [06/2020 - ] >> Description

DTC P0A1B-94: Drive Motor "A" Control Module Unexpected Operation [06/2020 - ]: Description

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The hybrid vehicle control ECU assembly 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 assembly exceeds the threshold for a certain period of time.
(1 trip detection logic)
  • Inverter with converter assembly
  • IGCT relay
  • IGCT fuse
Comes on Master Warning:
Comes on