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Home >> Jeep >> 2007 >> Wrangler Rubicon, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> (Engine Controls - Electrical Diagnostics - Pcm & ECM Programming - Powertrain Verification Test) >> Standard Procedure >> Pcm/ECM Programming - Gas >> Module Reprogramming

Module Reprogramming

Replacement PCM's will require programming utilizing the StarSCAN® or equivalent. The PCM will not operate the engine until it is programmed. A Diagnostic Trouble Code (DTC) will be set - "not programmed".

CAUTION: Extreme care must be taken when programming a calibration into a generic PCM. Do not randomly select a calibration. Once a calibration is selected and programmed, the controller cannot be reprogrammed to a different calibration. The module can only be reprogrammed to a more recent version of that calibration.
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