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 | ![]() |
CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
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