2005 Chrysler 300 BaseFACTORY OEM SERVICE PROCEDURE

Description - Pcm

WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) is located in the right-rear section of the engine compartment under the cowl (Fig 1).

Two different PCM's are used (JTEC and NGC). These can be easily identified. JTEC's use three 32-way connectors, NGC's use four 38-way connectors 

Fig 1: Identifying Powertrain Control Module (PCM) Location
G03563978Courtesy of DAIMLERCHRYSLER CORP.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.