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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 601 (3.0L Diesel - DTCS P05EF-00 To P2002-00 - 1500) >> Diagnosis And Testing >> P1690-00-REDUCTANT Injection Valve Circuit Low - Positive Side >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
DEF INJECTOR POSITIVE CIRCUIT SHORTED TO GROUND
DEF INJECTOR
POWERTRAIN CONTROL MODULE

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

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