Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2009 Chrysler 300 V6-2.7LFACTORY OEM SERVICE PROCEDURE
Powertrain Control Module - Installation
INSTALLATION
1. If removed, install the rubber bumper onto the Powertrain Control Module (PCM).
2. If removed, position the bracket onto the PCM and install the two retaining screws. Tighten the screws securely.
3. Position the PCM and bracket to the vehicle.
NOTE: Prior to reconnecting the electrical connectors to the PCM, check the pins in the electrical connectors for misalignment and/or damage. Repair as necessary.
4. Connect the electrical connectors to the PCM.
5. Install the bolt that secures the PCM bracket to the cross support. Tighten the bolt to 9 Nm (80 in. lbs.).
6. Install the cowl panel cover Cowl Panel Cover - Installation.
7. Reconnect the negative battery cable.
NOTE: If a new PCM is installed, it must be programed with the original Vehicle Identification Number (VIN) and mileage. If this is not done, a Diagnostic Trouble Code (DTC) may set.
8. If a new PCM is being installed, use a scan tool and program the new PCM with the original VIN and vehicle mileage.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.