P1405 is set when CPF is in generation mode to get rid of piled P.M but generation has not completed for exceeding designated time. This DTC will be set by foreign materials in the CPF, Malfunctioning of DPS signal, Faulty EGTS - VGT or CPF or circuit malfunction.
Item | Detecting Condition | Possible Cause | |
DTC Strategy |
•
Signal monitoring | 1. DPF DPS signal circuit error 2. Faulty DPF DPS 3. Faulty CPF | |
Enable Conditions |
•
Engine "ON" & Engine "ON" | ||
Threshold Value |
•
Over DPF regeneration time | ||
Fail Safe | Fuel Cut |
•
NO | |
EGR Off |
•
NO | ||
Fuel Limit |
•
NO | ||
Check Lamp |
•
YES | ||
