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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 SENTRY KEY IMMOBILIZER MODULE >> 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

GROUND CIRCUIT OPEN

FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN

FUSED B(+) CIRCUIT OPEN

OPEN PCI BUS CIRCUIT

SENTRY KEY IMMOBILIZER MODULE

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