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Crown 3400 SERIES:
Code 557

Drives for about 20-30 seconds before throwing wrench light and going into creep mode. Resets when you turn key off and back on.
  • Posted 7 Jun 2016 23:52
  • Discussion started by JTG80
  • Florida, United States
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From the forum discussions …
"Remove the coils and ohm out the pins. Coils take a different number than regular 4y plugs... If code is there then it is an ecu issue."
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