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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 >> U1449-Implausible ERS Message Received >> 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. CHECK FOR TIPM CAN BUS DTCS 
    1. With the scan tool, read TIPM DTCs.

      Are there TIPM CAN BUS DTCs?

      Yes 

      No 

      • Go To  2.
  2. CHECK IF CCN DTCS ARE PRESENT 
    1. With the scan tool, read CCN DTCs.

      Are there CCN DTCs?

      Yes 

      • Perform the appropriate diagnostic procedure. Refer to DIAGNOSTIC CODE INDEX .
      • Perform the appropriate TRANSMISSION VERIFICATION TEST. .

      No 

      • Using the schematics as a guide, check the Powertrain Control Module (PCM) pins, terminals and connectors for corrosion, damage or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace and program the PCM in accordance with the Service Information.
      • Perform the appropriate TRANSMISSION VERIFICATION TEST. .