P2002 is set when 1) Differncial pressure below lower limit value at exhaust flow above specified value(Case 1) or 2) Differential pressure above maximum acceptable value(Case 2) is detected.
Item | Detecting Condition | Possible Cause | ||
DTC Strategy |
•
Voltage monitoring |
•
Differncial pressure sensor wiring
•
Differncial pressure sensor component
•
Differncial pressure sensor hose line Misinstallation/Clogging/Freezing/Crack
•
Failed CPF
•
Too much soot loading inside CPF | ||
Enable Conditions |
•
IG KEY "ON" | |||
Threshold Value |
•
Refer to DTC description | |||
Diagnostic Time |
•
(Case 1) - 15 sec.
•
(Case 2) - 25 sec. | |||
Fail Safe | Fuel Cut | NO | Case 1,3
•
Soot simulation ON mode activated
•
Reduced regeneration mileage Case 2
•
Torque reduction | |
EGR Off | NO | |||
Fuel Limit | NO | |||
Check Lamp | BLINK | |||
