2024 Jeep Compass PCM Update for P2002 DPF Fault

Owners of the 2024 Jeep Compass may encounter a specific powertrain issue characterized by a 'Malfunction Indicator Lamp (MIL) illumination' and the vehicle entering 'limp-in mode'. This problem is typically associated with the diagnostic trouble code (DTC) P2002, which indicates a concern with the Diesel Particulate Filter (DPF) system. Manufacturer communication NHTSA ID 11008755 provides guidance for dealerships to address this condition through a software update for the Powertrain Control Module (PCM).

This bulletin aims to resolve instances where the 2024 Jeep Compass P2002 code is triggered due to the DPF flow resistance monitoring system, ensuring proper vehicle operation and preventing the activation of limp mode.

Symptoms

Owners experiencing this issue in their 2024 Jeep Compass may observe the following:

• 'Malfunction Indicator Lamp (MIL) illumination': The check engine light will turn on, indicating a detected fault.
• 'limp-in mode': The vehicle's performance may be significantly reduced, limiting speed and engine power to prevent further damage.

Fault Codes / DTCs

This issue is specifically linked to the following Diagnostic Trouble Code:

• P2002: "Diesel Particulate Filter Flow Resistance Monitoring Too High Level 2 Component Or System Operation Obstructed Or Blocked". This code points to a problem with the DPF's ability to filter exhaust gases effectively, often due to excessive resistance or blockage.

Diagnosis

To confirm this condition, a technician must verify that the customer has experienced a 'Malfunction Indicator Lamp (MIL) illumination' and that the vehicle has set the DTC P2002. This confirms the presence of the specific DPF flow resistance monitoring issue that the manufacturer communication NHTSA ID 11008755 addresses.

Repair Procedure Summary

The recommended repair involves inspecting the vehicle and, if necessary, reprogramming the Powertrain Control Module (PCM). The procedure outlined in the manufacturer communication suggests updating the PCM with the latest available software. This software update is designed to optimize the DPF flow resistance monitoring system, thereby resolving the underlying cause of the P2002 code and preventing the vehicle from entering 'limp-in mode'.

What Owners Should Do

If your 2024 Jeep Compass exhibits a 'Malfunction Indicator Lamp (MIL) illumination', displays the P2002 code, or enters 'limp-in mode', it is recommended to schedule an appointment with an authorized Jeep dealership. Inform them about the symptoms and the potential for a PCM software update as described in manufacturer communication NHTSA ID 11008755. The dealership will be able to diagnose the issue and perform the necessary software reprogramming to correct the Diesel Particulate Filter monitoring problem.

Source: NHTSA ID: 11008755