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Home >> Jeep >> 2005 >> Wrangler Rubicon, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 490 (Powertrain Diagnostic Procedures - Diesel) >> Diagnostic Information And Procedures >> Communication - Symptoms >> Symptom: *NO RESPONSE FROM FRONT CONTROL MODULE (DIESEL ONLY) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

ATTEMPT TO COMMUNICATE WITH THE BCM AND ECM

GROUND CIRCUIT OPEN

FUSED ASD RELAY OUTPUT CIRCUIT OPEN

OPEN PCI BUS CIRCUIT

FRONT CONTROL MODULE

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