LEMON Manuals: Even more car manuals for everyone
Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 419 (5.7L CNG - DTCS P2135 To U147B - 2500 Hd) >> Diagnosis And Testing >> P2302-Ignition Coil 1 Secondary Circuit - Insufficient Ionization >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2013 RAM 2500 HD and 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
FUSED ASD RELAY OUTPUT CIRCUIT OPEN/HIGH RESISTANCE
COIL 1 CONTROL CIRCUIT SHORTED TO GROUND
COIL 1 CONTROL CIRCUIT OPEN/HIGH RESISTANCE
SPARK PLUG
COIL ON PLUG 1
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  .