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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 973 (6.7L Diesel - DTCS P205E To P245D - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> P2228-Barometric Pressure Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
5-VOLT SUPPLY CIRCUIT OPEN OR SHORTED TO GROUND
INLET AIR PRESSURE SIGNAL CIRCUIT SHORTED TO GROUND
INLET AIR PRESSURE SIGNAL CIRCUIT SHORTED TO THE (K916) SENSOR GROUND CIRCUIT
INLET AIR PRESSURE SIGNAL CIRCUIT OPEN/HIGH RESISTANCE
INLET TEMPERATURE/PRESSURE SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE - 6.7L .