DTC B2277 Detecting Vehicle Submersion: Description

This DTC is output when the submersion circuit monitor inside the main body ECU detects that the vehicle is submerged in water.

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 is replaced, perform the registration procedures for the engine immobiliser system (See REGISTRATION ).