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P204B Diagnostic Trouble Code Discussion for March 2015

testing and results

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Trouble Ticket Help Requests for DTC P204B
Help Request Posted
2013 GMC Sierra 2500 HD SLT 6.6L MIL Lamp on VIN: 1GT020C87D
P204B: testing and results. ... 2013 gmc sierra, 6.6 duramax truck came with a real bad exhaust fluid leak, ended up replacing line from the tank to the def injector in the exhaust, customers choice to drive the truck with this leak until parts came in, needless to say the def tank went ...
March 16, 2015