2025 Jeep Compass P0607 PCM Software Update TSB

Important Market Information

This Technical Service Bulletin (TSB) 18-050-25, also released as Rapid Service Update (RSU) 25-127, specifically applies to the South America market. According to NHTSA's summary, this bulletin is not applicable to vehicles built for the US market. Owners should verify their vehicle's applicability using their VIN through a Jeep dealer.

Symptoms

Owners of affected 2025 Jeep Compass vehicles may experience a specific diagnostic trouble code or noticeable operational issues. The primary concern is related to the Powertrain Control Module (PCM) software.

Reported symptoms include:

• The vehicle will not start until ignition is cycled for a second time.
• Injection light is illuminated in the Instrument Panel Cluster (IPC).

Fault Codes / DTCs

Technicians may encounter the following Diagnostic Trouble Code (DTC) when diagnosing this issue:

Code	Description
P0607	Control Module Performance.

This P0607 code points to an internal issue with the PCM's performance.

Diagnosis

To diagnose the issue, technicians should use a Scan Tool (wiTECH) and follow the appropriate Diagnostic Procedures available in DealerCONNECT/Service Library. The TSB specifies that if a customer's VIN is listed in VIP or on the RSU VIN list, the repair should be performed. If a vehicle not on the RSU VIN list exhibits the symptoms mentioned, the repair procedure should also be followed.

Repair Procedure Summary

The resolution for the 2025 Jeep Compass P0607 issue involves updating the Powertrain Control Module (PCM) software. The procedure requires reprogramming the PCM with the latest available software.

Key steps for the repair include:

1. Verify if the vehicle is on the Rapid Service Update (RSU) VIN list. If not, the bulletin does not apply.
2. Reprogram the Engine Control Module (ECM)/PCM using the wiTECH Diagnostic Application.
3. Clear any Diagnostic Trouble Codes (DTCs) that may have been set in any modules after the reprogramming. The wiTECH application will automatically present all DTCs for clearing.

Required Tools

To perform the PCM software update, a wiTECH or Equivalent scan tool is necessary.

Important Notes for Technicians

Several critical notes are provided in TSB 18-050-25 to ensure a successful repair:

• Install a battery charger to maintain voltage between 13.2 and 13.5 volts during the flash process. Do not allow the voltage to drop below 13.2 volts or climb above 13.5 volts.
• If the flash process is interrupted or aborted, it must be restarted.
• After applying this TSB, it is not necessary to send DID-I or DID-A.

Owner Action

If your 2025 Jeep Compass is experiencing a P0607 code, starting problems, or an illuminated injection light, it is recommended to visit an authorized Jeep dealership. The dealer can verify if your vehicle is covered by TSB 18-050-25 or RSU 25-127 and perform the necessary PCM software update. All repairs under this bulletin are reimbursable within the provisions of the warranty.

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Source: NHTSA ID: 11020630