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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 359 (DTCS B1664 To B2337 (TIPM)) >> B2104-Ignition Run/Start 1 Control Circuit Low >> 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. CHECK FOR ACTIVE DTC 
    1. Cycle the ignition switch from on to off.
    2. With the scan tool, read the active DTCs.

      Does the scan tool display this DTC as active?

      Yes 

      • Go to step  2

      No 

  2. CHECK THE RUN/START RELAY (22) 
    1. Verify the related fuse is not open.
    2. Remove the run/start relay (22) and substitute it with a known good relay.
    3. Attempt to start the engine.

      Does the vehicle start?

      Yes 

      No