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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (3.7L/4.7L/5/7L - DTCS P2174 To U1449 - NGC - 1500 & 2500) >> Diagnosis and Testing >> U1113-Lost A/C Pressure Message >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2011 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
  1. ACTIVE DTC 
    NOTE:

    For vehicle communication problems, use the scan tool to refer to the Network Review Screen. The screen depicts a high level view of the vehicle network. Fault and problem areas appear in red. Selecting any of the network components allows access to the source of the problem.

    1. Ignition on, engine not running.
    2. With the scan tool, select View PCM DTCs.

      Is the DTC Active at this time?

      Yes 

      • Go To  2.

      No 

  2. U0141-LOST COMMUNICATION WITH TOTALLY INTEGRATED POWER MODULE ALSO ACTIVE 
    1. With the scan tool, select View DTCs.

      Is the U0141-NO BUS MESSAGE RECEIVED FROM THE FRONT CONTROL MODULE (TIPM) also set?

      Yes 

      No