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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 731 (6.4L - DTCS P1607 To P2317 - 2500 Hd, 3500 Hd) >> Diagnosis And Testing >> P1721-Intelligent Alternator Module Circuit >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2014 RAM 3500 HD and 2014 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

ACTIVE DTC 

  1. Start the engine and allow it to idle.
  2. Using the scan tool, view PCM DTCs.

    Is this DTC active or pending?

    Yes 

    • Replace the Alternator in accordance with the service information.
    • Perform the POWERTRAIN VERIFICATION TEST. Refer to POWERTRAIN VERIFICATION TEST .

    No 

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