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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (2.4L - DTCS P0443 To P1593) >> Diagnosis And Testing >> P1400-Aftermarket Calibration Detected/Warranty Void >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2014 Dodge Journey. However, it is still accessible from the selected car via links, so may be relevant.

PCM PROGRAMMED WITH INCORRECT SOFTWARE 

  1. Ignition on, engine not running.
  2. Program the PCM in accordance with the Service Information. Refer to PCM/TCM PROGRAMMING .
  3. Start the engine.
  4. Allow the engine to reach normal operating temperature.
  5. With a scan tool, select read the active DTCs.

    Does the scan tool display P1400-AFTERMARKET CALIBRATION DETECTED/WARRANTY VOID?

    Yes 

    No 

    • The Powertrain Control Module (PCM) has been successfully programmed. Test is complete.
    • Perform the POWERTRAIN VERIFICATION TEST. Refer to PCM VERIFICATION TEST .