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Powertrain Control Module (PCM) Programming (6.5L Diesel)

  1. If PCM was replaced, PCM must be programmed. If PCM is not programmed, a DTC will be set.
  2. Ensure battery is fully charged. Ensure cable at Data Link Connector (DLC) and power supply for scan tool are properly connected. Turn ignition switch to ON position. Perform EEPROM programming using Techline® equipment manufacturer's instructions and latest software applicable for the vehicle model.
  3. Perform password learn procedure for anti-theft system. See PASSWORD LEARN PROCEDURE FOR ANTI-THEFT SYSTEM (6.5L DIESEL) . Once PCM is programmed, if only the PCM was replaced, go to next step. If crankshaft position sensor, engine or PCM with fuel injection pump were replaced, perform TDC offset learn procedure. See TDC OFFSET LEARN PROCEDURE (6.5L DIESEL) .
    NOTE: If PCM programming fails, ensure all electrical connections on PCM are okay. Check Techline® for latest software. If EEPROM programming still fails, replace PCM.
  4. Start and warm engine until engine coolant temperature is at least 170°F (77°C). This will allow TDC offset to be programmed into the PCM if necessary. PCM has the ability to determine amount of offset required to bring engine to TDC. PCM uses TDC to determine proper fuel injection pump timing. If TDC offset is not programmed, DTC P1214 will be set.
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