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2015 GMC Sierra 3500 HD Denali 6.6L Warning message
Posted to GM Driveability on 10/23/2017 8 Replies

Customer complaint was that he ran out of def fluid and it reduced his speed. He filled with def fluid and still had service warning and reduced speed. He assumed it just needed reset. The only codes that sets is P154A intake heater. I have performed the fluid...

8 Replies Received (View Replies)

  Related Documents & Media  2015 GMC Sierra 3500 HD Denali

 
Message Closed w/FIX

car Vehicle Data

2015 GMC Sierra 3500 HD Denali

VIN 1GT424E84F
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsWarning Message
OccursAlways
Message Closed w/FIX

car Vehicle Data

2015 GMC Sierra 3500 HD Denali

VIN 1GT424E84F
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsWarning Message
OccursAlways