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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 B2277: Detecting Vehicle Submersion >> Description

DTC B2277: Detecting Vehicle Submersion: Description

WARNING: This page is about a different variant/trim than selected.

This DTC is output when the submersion circuit monitor inside the main body ECU (instrument panel junction block) detects that the vehicle is submerged in water.

HINT: 

When the main body ECU (instrument panel junction block) 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, refer to REGISTRATION .

DTC No. DTC Detection Condition Trouble Area
B2277 Submersion circuit monitor inside main body ECU (instrument panel junction block) detects that vehicle is submerged in water Main body ECU (instrument panel junction block)
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