DTC P203B (DCU) - Reductant Level Sensor A Circuit Range/Performance
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DTC DESCRIPTION P203B (DCU) - REDUCTANT LEVEL SENSOR A CIRCUIT RANGE/PERFORMANCE
| Description: | This DTC sets when the reductant dosage control module detects an incorrect reading, such as RDL1 (top pin) indicating a full tank while RDL3 (bottom pin) is indicating an empty tank. | ||
| Possible Causes: |
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| Diagnostic Aids: | |||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to PINPOINT TEST RJ . | ||