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	 2017 Chevrolet Express 2500 2.8L MIL Lamp on 
		
		P249D is immediately re-occurs after clearing then driving. No other codes Going through the pinpoint test, inspected the DEF fluid for quality seemed okay, performed Emission Reduction Fluid Injector Quantity Test, passed the test. Ended up replacing the ... 
                        
                            FIX posted 6/28/2023
                             
                 
                            
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| VIN | 1GCWGAF19H | 
| Engine | 2.8 L / 4 cyl / DIESEL | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P249D | Closed Loop Reductant Injection Control At Limit - Flow Too Low | 
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 Vehicle Data
                2017 Chevrolet Express 2500
| VIN | 1GCWGAF19H | 
| Engine | 2.8 L / 4 cyl / DIESEL | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp On | 
| Occurs | Always | 
Trouble Codes
| P249D | Closed Loop Reductant Injection Control At Limit - Flow Too Low | 
                            
3 Replies Received
          3 Replies Received
          
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