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P0204 Diagnostic Trouble Code Discussion for May 2019

Fuel Injector 4 Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0204
Help Request Posted
2014 Mercedes-Benz GLK250 Bluetec 4Matic 2.1L Adblue countdown VIN: WDCGG0EB0E
P0204: The Adblue system is faulty. Had nine codes. Most were related to bluetec system. I tested and replaced the Nox Sensors and did the SCN coding with my Autel 908p successfully. Was left with one code in the ME for the number of starts left. I never had this code at the beginning or had...
May 19, 2019