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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 312 (Wireless Ignition Module (Win) - Electrical Diagnostics) >> DTC Troubleshooting >> U1197-Security Seed Response Not Received From ECM/Pcm >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. VERIFY PCM PROGRAMMING 
    1. Use the scan tool and erase all codes in the ECM/PCM.
    2. Turn the Ignition Off, and wait 15 seconds before turning the Ignition On.
    3. Wait one minute, and read active ECM/PCM codes.

      Does the scan tool display this DTC as active?

      Yes 

      No