DTC B2277: Detecting Vehicle Submersion [12/2012 - ]: Procedure

1. Check the power management control ECU, surrounding parts, wire harnesses and connectors for any signs of water damage.

   Result	Proceed to
   	OK
   	NG

Result: 

No signs of water damage 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY): 

Refer to REMOVAL [12/2012 - 10/2015] or REMOVAL [10/2015 - ] .

Result: 

Signs of water damage 

TAKE MEASURES AGAINST CAUSE OF WATER DAMAGE AND REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)