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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 831 (3.0L Diesel - DTCS P0203-00 To P0507-00 - 1500) >> Diagnosis And Testing >> P0299-00-Turbocharger UNDERBOOST Condition >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2015 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
(F343) FUSED ASD RELAY OUTPUT CIRCUIT OPEN/HIGH RESISTANCE
(K137) BOOST PRESSURE ACTUATOR CONTROL CIRCUIT OPEN/HIGH RESISTANCE
(Z903) BOOST PRESSURE ACTUATOR GROUND CIRCUIT OPEN/HIGH RESISTANCE
RESTRICTED AIR FILTER
INTAKE AIR RESTRICTION
INTAKE AIR LEAK
TURBOCHARGER

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