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Home >> Toyota >> 2014 >> Prius Three >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 123 (Lin Communication System (Diagnostic Codes) (Plug-In)) >> Lin Communication System >> DTC B2321: Driver Side Door ECU Communication Stop [10/2013 - ] >> Description
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DTC B2321: Driver Side Door ECU Communication Stop [10/2013 - ]: Description

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This DTC is stored when LIN communication between the power window regulator motor assembly (for driver side) and main body ECU (multiplex network body ECU) stops for 10 seconds or more.

DTC No. DTC Detection Condition Trouble Area
B2321 No communication is detected between power window regulator motor assembly (for driver side) and main body ECU (multiplex network body ECU) for 10 seconds or more.
  • Power window regulator motor assembly (for driver side)
  • Main body ECU (multiplex network body ECU)
  • Multiplex network master switch assembly
  • Wire harness or connector
  • D FR DOOR fuse