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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 556 (DTCS U1412 To U1418, Symptom Tests, Powertrain Verification Test & Schematics And Diagrams) >> Diagnosis And Testing >> *No Response With A No Start Condition >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
(A209) PCM FUSED B+ CIRCUIT
PCM NO RESPONSE
(F1) (F942) (F26) PCM FUSED IGNITION SWITCH OUTPUT CIRCUITS
(Z816) (Z130) PCM GROUND CIRCUITS
CRANKSHAFT POSITION SENSOR
(F855) 5-VOLT SENSOR OPEN/SHORTED
(F855) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
(F856) 5-VOLT SUPPLY CIRCUIT SHORTED TO GROUND
PCM
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