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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 275 ((Air Suspension Control Module (ASCM) - Electrical Diagnostics - 1500)) >> Diagnosis And Testing >> C15D9-00-Low Air Mass >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
LOW AIR MASS
AIR SUSPENSION SYSTEM LEAKS
COMPRESSOR VENT VALVE LEAKING OR STUCK OPEN
AIR SUSPENSION CONTROL MODULE (ASCM)
NOTE:

If any ASCM DTCs are present, repair them first before continuing with this diagnostic procedure.