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Home >> Toyota >> 2011 >> Highlander Hybrid Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 88 (Smart Key System (Keyless Start) (2GR-FE) (Diagnostic Codes & Symptom Tests)) >> Smart Key System >> DTC B2275: STSW Monitor Malfunction >> Description

DTC B2275: STSW Monitor Malfunction: Description

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This DTC is output when there is an open, short, or any other problem in the engine start request output circuit inside the main body ECU (instrument panel junction block) or in the external circuit.

HINT: 

When the main body 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.

After the main body ECU (instrument panel junction block) is replaced, perform the registration procedures for the engine immobiliser system.

DTC No. DTC Detection Condition Trouble Area
B2275 STSW output circuit (engine starting request signal circuit) inside main body ECU (instrument panel junction block) or other related circuit is malfunctioning
  • Main body ECU (instrument panel junction block)
  • ECM
  • Wire harness or connector