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Home >> Subaru >> 2016 >> BRZ Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Lin Communication System) >> Large-Scale Multiplex Communication System For Vehicle Body [LIN] >> DTC B2785 LIN Communication Error >> Circuit description
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Circuit description

WARNING: This page is about a different car, the 2014 Subaru BRZ. However, it is still accessible from the selected car via links, so may be relevant.

The collation ECM (Smart key computer ASSY) monitors the communication with the steering lock actuator ASSY connected to the collation system LIN bus. If the collation ECM (Smart key computer ASSY) detects an error in the communication with the steering lock actuator ASSY connected to the collation system LIN bus, it monitors the communication errors for a certain period of time. When it detects error continuing for 1 second or more, DTC B2785 is output.

DTC No. Detecting conditions Faulty part
B2785 When the collation ECM (Smart key computer ASSY) detected the collation system LIN bus communication error continuing for 1 second or more
  • Collation ECM (Smart key computer ASSY)
  • Steering lock actuator ASSY
  • ID code box (Immobilizer code ECM)(1)
  • Wiring harness or connector
(1) with ID code box