Check engine light with fault code P3005CA in MRD1 (CDI) Complaint The check engine light is on, with a...

Bulletin number

LI49_20-N-078466_5_en

Component

Engine

Summary

Check engine light with fault code P3005CA in MRD1 (CDI) Complaint The check engine light is on, with a possible reduction in power and the presence of soot in the exhaust system. Fault code P3005CA: The diesel particulate filter efficiency is insufficient. Additional information: Additional fault codes may be present, related to the Diesel Particulate Filter (DPF) system or the Exhaust Gas Recirculation (EGR) system. Cause This fault code sets due to the following factors: 1. Damage to the Diesel Particulate Filter (DPF) unit. 2. The N74 Soot Particulate Sensor Control Unit detects soot or debris downstream of the underbody SCR catalytic converter. Remedy Note: The XENTRY guided tests for fault code P3005CA have been revised. Complete all applicable guided tests before replacing components. TIPS cases are no longer required unless: • No soot is found at the Diesel Particulate Filter (DPF) outlet. • The fault occurs on a vehicle produced after the applicable production clean point. • The fault returns after the applicable repairs have been completed. • The fault occurs on a vehicle confirmed to have the latest available MRD1/CDI control unit software.

Owners of these vehicles have filed 9 complaints in the engine category.