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Home >> Chrysler >> 2011 >> 300 Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 98 (6.7L Diesel - DTCS - P040D To P1191 - 3500 Cab & Chassis) >> Diagnosis and Testing >> P1123-Power Take Off System Monitor Control Error >> Testing >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. OTHER DTCS 
    1. Ignition on, engine not running.
    2. With the scan tool, read DTCs.

      Is DTC P061A also present?

      Yes 

      • Repair DTC P061A before proceeding.

      No 

      • Go To  3.
  2. CHECK FOR AFTERMARKET PTO SYSTEM INSTALLED ON VEHICLE 
    NOTE:

    If there are any Speed Control DTCs present, perform those test procedures before continuing with this procedure.

    1. Visually inspect for an aftermarket PTO system installed on the vehicle.

      Was an aftermarket PTO system installed?

      Yes 

      • Test complete. Inform customer that aftermarket system is causing fault.

      No 

      • Go To
  3. CHECK FOR SOFTWARE UPDATES 
    1. Check for any TSBs that may apply.
    2. Check the PCM part number and insure that the PCM is at the latest release level.

      Are any PCM updates available?

      Yes 

      No 

      • 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 .
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