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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 >> P2229-Barometric Pressure Circuit High >> 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
INLET AIR PRESSURE SIGNAL CIRCUIT SHORTED TO VOLTAGE
5-VOLT SUPPLY CIRCUIT SHORTED TO VOLTAGE
INLET AIR PRESSURE SIGNAL CIRCUIT SHORTED TO THE (F855) 5-VOLT SUPPLY
SENSOR GROUND 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 .