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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 >> Sentry Key Immobilizer - BUX DSL - Symptoms >> Symptom List: PCM STATUS FAILURE; SERIAL LINK EXTERNAL FAULT >> 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.

INTERMITTENT WIRING HARNESS PROBLEM

WIRING HARNESS INSPECTION

SKIM/ECM

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