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Home >> Toyota >> 2012 >> Avalon Base >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Smart Key System (Keyless Start) (Diagnostic Codes & Circuit Tests) >> Smart Key System >> DTC B2281: "P" Signal Malfunction >> Description
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DTC B2281: "P" Signal Malfunction: Description

The power source control ECU and the shift lock control ECU are connected by a cable and the BEAN. If the cable information and BEAN information are inconsistent, this DTC will be output.

DTC No. DTC Detection Condition Trouble Area
B2281 Cable and BEAN between power source control ECU and shift lock control ECU are inconsistent
  • Power source control ECU
  • Shift lock control ECU
  • Wire harness