LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 437 (6.7L Diesel - AFTERTREATMENT Validation, Mil Light On Pretest Procedure, Pre-Diagnostic Troubleshooting Procedure, Pcm/ECM/TCM Programming, Powertrain Verification Test & Intermittent Condition - 2500 Hd & 3500 Hd) >> Standard Procedure >> Pre-Diagnostic Troubleshooting Procedure - 6.7L >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. NO RESPONSE 
    1. Make sure the scan tool will communicate with the appropriate modules.

      Are you currently experiencing a NO RESPONSE condition?

      Yes 

      • The NO RESPONSE condition must be properly diagnosed before continuing.
      • Perform the appropriate BUS Communication test. Refer to appropriate diagnostic information.

      No 

      • Go To  2
  2. DTC PRESENT 
    NOTE:

    Before continuing, complete the 6.7L Cummins Turbo Diesel Diagnostic Worksheet. Go to the TechConnect > submit the vehicle's VIN number > Search Tab > and Select Create Diagnostic Worksheet.

    1. Turn the ignition on.
    2. With the scan tool, view PCM for DTCs.

      Is there a DTC present?

      Yes 

      No 

      • Go To  3
  3. CHECK FOR SYMPTOM BASED ISSUES 
    1. Check the vehicle for one of the following conditions:
      • Engine No Start / Hard Start
      • Engine Misfires / Runs Rough / Poor Performance
      • Engine Noise
      • Excessive Smoke (Black/Blue/White)

      Do one of the following conditions exist?

      Yes 

      No 

      • Verify the vehicles performance by performing the Diesel Fuel System Validation procedure. Refer to STANDARD PROCEDURE .