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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 1912 (6.7L Diesel - DTCS P24B4-00 To U3017-00 - 2500HD & 3500HD) >> DTC Troubleshooting >> U1601-00-Ecu Application Software Code 1 Missing Or Corrupted >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2019 RAM 3500 HD and 2019 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

If the Powertrain Control Module (PCM) does not have a calibration installed, or has an unapproved calibration installed then the PCM will be in a ROM boot state. The PCM will have power but no approved software to allow the vehicle to be started and driven. No further diagnostics of the PCM will be available at this time. This code will be cleared when the PCM has the correct approved calibration installed.

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