P249D Diagnostic Trouble Code Discussion for May 2023
Reductant Injection control at limit - Flow to Low
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| Help Request | Posted | |
| 2017 Chevrolet Express 2500 2.8L MIL Lamp on VIN: 1GCWGAF19H P249D: Closed Loop Reductant Injection Control At Limit - Flow Too Low. 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 ... |
May 26, 2023 |
