P226400 is set when water in fuel sensor operates for more than 4 sec. Water warning lamp turns on and engine power generation is limited in this condition. When this code is set, water in the filter should be removed to prevent engine from water contained fuel. If same code is set even after removing water, check short to battery in water in fuel sensor signal circuit or component failure.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal monitoring | 1. Poor connector connection 2. Water in fuel filter 3. Short to power in signal circuit of water in fuel sensor 4. Defected water in fuel sensor | |
Enable Condition |
•
Engine running | ||
Threshold Value |
•
Short to power in signal circuit | ||
Detecting Time |
•
4 sec | ||
Fail Safe | Engine OFF |
•
No | |
EGR OFF |
•
No | ||
Torque Limit |
•
Yes | ||
MIL |
•
On | ||
