Description

Product Description

Restore your Jeep Liberty KJ (2002-2007) to peak performance with ECU Repair Lab’s professional Engine Control Module (ECM) Repair Service. Our qualified technicians use OEM-grade components to ensure a lasting repair, backed by our comprehensive Warranty.

  • Random igntition Misfire
  • DTC P0300: Random Misfire
  • DTC P0301: Ignition coil 1
  • DTC P0302: Ignition coil 2
  • DTC P0303: Ignition coil 3
  • DTC P0304: Ignition coil 4
  • DTC P0305: Ignition coil 5
  • DTC P0306: Ignition coil 6
  • DTC P0622: Alternator control fault

Please Note! If your vehicle is experiencing symptoms that are not listed above, please contact us before purchasing this service.

⚠️ INSTALLATION WARNING:Alternator Control Fault: Before replacing the PCM, always verify that the alternator itself has been replaced with the correct Mopar part number. A mismatch can instantly damage the new PCM's charging circuit. Ignition Coil Output Fault: If replacing the PCM due to a faulty ignition coil driver, the faulty ignition coil must be replaced before installing the new or repaired PCM to prevent immediate failure of the new module.

Vehicle Compatibility

  • Jeep Liberty: 3.7L KJ Series
  • Years: 2002-2007

Applicable Part Numbers

Check your label:

P56044663AF P56044663AF P56044663AE
P56044663AD P56044663AC P56044663AB
P56044663
Product form

SKU: RPR-JEE-LIB-KJ-ECM

Jeep Liberty KJ (2002-2007) Engine Control Module (ECM) Repair Service

    $645.00

    Repair charge is Excl. GST & return shipping
    (Note: A $295 (Excl. GST & Return Shipping) test fee applies if the unit is tested and found to have no fault. This fee is waived if the repair proceeds.)

        Our Repair Service
      This is a repair and return service for your original Electronic Control Unit. You simply remove your ECU, send it to us, and we take care of the rest.
      Our expert technicians will first test your unit to confirm the fault. We then perform a complete repair, replacing failed components with high-quality parts that meet or exceed original specifications. Finally, we re-test the unit to validate that all faults are cleared and it is 100% operational.
      Please Note!
      If your vehicle is experiencing symptoms that are not listed above, please contact us before purchasing this service. We will discuss the symptoms with you to confirm if the fault is likely related to this module or whether we can offer a test and repair for the issue you are experiencing.
        How The Process Works
      Follow the simple 3-steps:
      Ship us your modules including the additional parts. refer to our packing guide for more information.
      📦 1. Ship us your modules - Carefully package your ECM, BCM, PIM, and Key (see our packing guide above).
      👨‍🔧 2. We repair & revive, have your module ready - Our technicians test, repair, and have your module ready for shipping within 2-3 business days.
      🚚 3. We ship it back, plug & play - We return your full set. Just reinstall it—no extra programming needed!
        Detailed Packing & Shipping Guide
      Please follow these steps to prevent transport damage.
      🖨️ Step 1: Print Confirmation - Print your order confirmation email and include it inside the box. This helps us identify your parts instantly.
      📦 Step 2: Pack Securely - Clean your modules and wrap them in plenty of bubble wrap. Place them in a sturdy cardboard box with no room to move.
      🚚 Step 3: Send to Us - Arrange for your parcel to be delivered to our lab address (provided in your order confirmation) for repair.

      Description

      Product Description

      Restore your Jeep Liberty KJ (2002-2007) to peak performance with ECU Repair Lab’s professional Engine Control Module (ECM) Repair Service. Our qualified technicians use OEM-grade components to ensure a lasting repair, backed by our comprehensive Warranty.

      • Random igntition Misfire
      • DTC P0300: Random Misfire
      • DTC P0301: Ignition coil 1
      • DTC P0302: Ignition coil 2
      • DTC P0303: Ignition coil 3
      • DTC P0304: Ignition coil 4
      • DTC P0305: Ignition coil 5
      • DTC P0306: Ignition coil 6
      • DTC P0622: Alternator control fault

      Please Note! If your vehicle is experiencing symptoms that are not listed above, please contact us before purchasing this service.

      ⚠️ INSTALLATION WARNING:Alternator Control Fault: Before replacing the PCM, always verify that the alternator itself has been replaced with the correct Mopar part number. A mismatch can instantly damage the new PCM's charging circuit. Ignition Coil Output Fault: If replacing the PCM due to a faulty ignition coil driver, the faulty ignition coil must be replaced before installing the new or repaired PCM to prevent immediate failure of the new module.

      Vehicle Compatibility

      • Jeep Liberty: 3.7L KJ Series
      • Years: 2002-2007

      Applicable Part Numbers

      Check your label:

      P56044663AF P56044663AF P56044663AE
      P56044663AD P56044663AC P56044663AB
      P56044663

      © 2026 ECU Repair Lab,

        Login

        Forgot your password?

        Don't have an account yet?
        Create account