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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1381 (1.3L - DTCS P0521 To P0780) >> DTC Troubleshooting >> P056E-Cold Start Turbocharger/Supercharger Boost Control "A" Performance >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
INTAKE AIR FILTER PLUGGED OR HEAVILY POLLUTED
HIGH RESISTANCE IN THE WASTEGATE POSITION SENSOR POSITION SIGNAL CIRCUIT
HIGH RESISTANCE IN THE 5-VOLT SUPPLY CIRCUIT
HIGH RESISTANCE IN THE SENSOR GROUND CIRCUIT
WASTEGATE VALVE OR LINKAGE BINDING
WASTEGATE SOLENOID/TURBOCHARGER ASSEMBLY

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .