Diagnostic Test

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

SKIM DTCS
1. With the scan tool, read WIN DTC.
  Are any SKIM DTCs present in the WIN?
  
  Yes
  - Repair all SKIM DTCs first.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  No
  - Go To 2
SKIM NOT CALIBRATED PROPERLY
1. Using the scan tool, recalibrate the PCM with the proper SKIM secret key.
2. With the scan tool, erase DTCs.
3. Cycle the ignition switch from on to off to on.
4. With the scan tool, read DTCs.
  Did the DTC reset?
  
  No
  - Test Complete.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .
  Yes
  - Replace the Powertrain Control Module in accordance with the service information.
  - Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to POWERTRAIN VERIFICATION TEST - 6.7L .