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2014 GMC Savana 4500 6.6L MIL Lamp on
Posted to GM Driveability on 8/28/2017 6 Replies

I service several ambulance fleets and have been running into a recurring P249D, Reductant Injection Control at Limit - Flow to Low, code.

Following the procedure in SI; Check pressure and leaks, check injector spray pattern & volume all check out fine. Once ...

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Message Closed w/Summary

car Vehicle Data

2014 GMC Savana 4500

VIN 1GD675CL4E
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
Misc.Ambulance

Trouble Codes

P249DReductant Injection control at limit - Flow to Low
Message Closed w/Summary

car Vehicle Data

2014 GMC Savana 4500

VIN 1GD675CL4E
Engine6.6 L / 8 cyl / DIESEL
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
Misc.Ambulance

Trouble Codes

P249DReductant Injection control at limit - Flow to Low