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Home >> Jeep >> 2014 >> Wrangler Sahara, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> 3.6L - DTCS P2135 To U1418 >> Diagnosis And Testing >> P2308-Ignition Coil 3 Secondary Circuit - Insufficient Ionization >> Possible Causes

Possible Causes

Possible Causes
(F344) ASD RELAY OUTPUT CIRCUIT
(K18) COIL CONTROL NO. 3 CIRCUIT OPEN
(K18) COIL CONTROL NO. 3 CIRCUIT SHORTED TO GROUND
COIL ON PLUG
POWERTRAIN CONTROL MODULE (PCM)

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

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