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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 24 (Theft Deterrent / Keyless Entry) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function) >> DTC B2286: Runnable Signal Malfunction >> Description

DTC B2286: Runnable Signal Malfunction: Description

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

This DTC is output when serial communication signals and multiplex communication signals in the circuit between the power source control ECU and ECM are inconsistent

HINT

When the power source control ECU is replaced with a new one and the negative (-) battery terminal is connected, the power source mode becomes the IG-ON mode When the battery is removed and reinstalled, the power source mode that was selected when the battery was removed is restored

DTC DETECTION CONDITION CHART

DTC No DTC Detection Condition Trouble Area
B2286 Serial communication signals and multiplex communication signals in the circuit between the power source control ECU and engine control ECU are inconsistent
  • Multiplex communication system
  • CAN communication system
  • ECM
  • Power source control ECU
  • Wire harness or connector