Question about Dodge Shadow
Check Engine Light
NOTE: The early Premier vehicles can only have their fault codes read by a scan tool.
The CHECK ENGINE light has 2 modes of operation: diagnostic mode and switch test mode. If a DRB II diagnostic tester is not available, the PCM can show the technician fault codes by flashing the CHECK ENGINE light on the instrument panel in the diagnostic mode. In the switch test mode, after all codes are displayed, switch function can be confirmed. The light will turn on and off when a switch is turned ON and OFF. Even though the light can be used as a diagnostic tool, it has the following restrictions:
55 means completion of fault code display on Check Engine lamp.
If there are no other codes, the engine doesn't have any significant codes to display.
Since the car won't turn over, I would say it's a bad connection at the battery which needs to be cleaned, wire brushed, etc. to give the starter enough current to turn over the car and start it up.
I just had a 1997 Cadillac that had the same problem and for $2.12 it was cleaned up by Walmart Auto Center and they even sprayed some anti corrosion red spray on the outside of the terminals to help preserve the cleaned up connection.
You can do the same thing by removing the terminals and wire brushing until shiny and reconnecting.
If this doesn't work there is a possible bad starter depending on what current draw there is on the battery. Generally a good starter draws 75 to 100 amps while turning at a good rate of speed.
Or, the battery is in need of replacement. A good battery should have 500 cca or above according to the battery load tester. Some batteries are rated higher than that when new.
So, I hope this clarifies what code 55 means. It doesn't mean anything important. It just means that it's the end of the data stream. And, if you disconnect the battery then it clears the codes.
Good luck on this repair.
Posted on Jul 29, 2010
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Posted on Jan 02, 2017
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