P204B (DCU) - Reductant Pressure Sensor Circuit Range/Performance
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DTC DESCRIPTION P204B (DCU) - REDUCTANT PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE
| Description:
The reductant dosage control module carries out a plausibility check on the reductant pressure sensor during startup after a successful purge cycle, when the reductant pressure line has been drained. This DTC sets when the reductant pressure sensor signal exceeds 30 kPa (4.4 psi). |
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Possible Causes:
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| Diagnostic Aids: Diagnose and repair all circuit DTCs before diagnosing DTC P204B. | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RF . | ||