Chrysler RAM50/D50/Arrow 1979-1993 Repair Guide

Clearing Diagnostic Trouble Codes

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To clear the diagnostic trouble codes from the computer's memory, do the following procedure:

  1. Turn the ignition OFF.
  2.  
  3. After removing the battery cable from the battery terminals for 10 seconds or more, reconnect the cable.
  4.  
  5. Turn the ignition ON and take a reading of the diagnostic output to check if a normal code is output.
  6.  
  7. Let the engine warm up and then run it at idle for about 10 minutes. Recheck for any diagnostic codes.
  8.  

 
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