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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1573 (6.7L Diesel - DTCS P065A To P209F - 2500 Hd) >> DTC Troubleshooting >> P206D-REDUCTANT Quality Sensor Circuit High >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
FUSED IGNITION SWITCH OUTPUT CIRCUIT (SCR RELAY CIRCUIT) OPEN/HIGH RESISTANCE
GROUND CIRCUIT OPEN/HIGH RESISTANCE
DEF QUALITY SENSOR

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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