DTC P203B (DCU) - REDUCTANT Level Sensor A Circuit Range/Performance

WARNING: This page is about a different variant/trim than selected.

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:	RDL1 circuit open RDL1 circuit short to ground RDL2 circuit open RDL2 circuit short to ground RDL3 circuit open RDL3 circuit short to ground Damaged reductant level sensor
Diagnostic Aids:
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
All	GO to PINPOINT TEST RJ .