DESCRIPTION
This DTC is stored when a malfunction in the water submersion detection circuit inside the certification ECU (smart key ECU assembly) is detected.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
---|---|---|---|---|
B2277 | Detecting Vehicle Submersion | Water submersion detected by the water submersion detection circuit inside the certification ECU (smart key ECU assembly). (1-trip detection logic*) | Certification ECU (Smart key ECU assembly) |
|
Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
---|---|
The engine switch cannot be turned off and the engine cannot be started. | - |
DTC No. | Data List and Active Test |
---|---|
B2277 | - |
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
HINT:
PROCEDURE
1. | CHECK WATER INTRUSION |
(a) Check that the certification ECU (smart key ECU assembly), its ground area and wire harnesses have no signs of water intrusion.
Result | Proceed to |
---|---|
No sign of water intrusion found | A |
Signs of water intrusion found | B |
A | ![]() | REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
B | ![]() | TAKE MEASURES FOR WATER INTRUSION AND REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
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