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Home >> Toyota >> 2022 >> Corolla Cross L, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 37 (Engine Control System (M20A-FXS) - Diagnostic Codes (6 Of 6) & Circuit Tests) >> SFI System >> DTC U0111-87: Lost Communication with Hybrid/EV Battery Energy Control Module "A" Missing Message [11/2022 - ] >> Description

DTC U0111-87: Lost Communication with Hybrid/EV Battery Energy Control Module "A" Missing Message [11/2022 - ]: Description

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The ECM and battery energy control module send and receive signals via CAN communication.

If a communication error occurs between the ECM and battery energy control module, the ECM illuminates the MIL and stores this DTC.

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note
U0111-87 Lost Communication with Hybrid/EV Battery Energy Control Module "A" Missing Message All of the following conditions are met for 50.6 seconds or more (1 trip detection logic):
  • Ignition switch ON
  • Auxiliary battery voltage is 10 V or higher
  • No communication between ECM and battery energy control module
  • CAN communication system
  • Battery energy control module
  • ECM
Comes on
  • SAE Code: U0111
  • DTC for Mexico Models: Applies