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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 436 (6.7L Diesel - DTCS P2299 To U3017 - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> U05A5-Implausible Data Received From Ammonia Sensor >> 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. OTHER DTCS 
    1. Ignition on, engine not running.
    2. With the scan tool, View DTCs.

      Is DTC U010E active?

      Yes 

      • Perform the diagnostic procedure for U010E before continuing.
      • Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to STANDARD PROCEDURE .

      No 

      • Go To  2
  2. U05A5 ACTIVE 

    Is DTC U05A5 active?

    Yes 

    • Go To  3

    No 

    • Perform the INTERMITTENT CONDITION - 6.7L diagnostic procedure. Refer to STANDARD PROCEDURE .
  3. CHECK THE POWERTRAIN CONTROL MODULE 

    Are there invalid or implausible data DTCs present for other components on the J1939 Data Link?

    Yes 

    No 

    • Replace the Ammonia Sensor Module in accordance with the service information.
    • Perform the POWERTRAIN VERIFICATION TEST - 6.7L. Refer to STANDARD PROCEDURE .