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Home >> Jeep >> 2004 >> Wrangler Rubicon, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Powertrain Diagnostic Procedures >> Communication >> *No Response From Sentry Key Immobilizer Module >> Possible Causes
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Possible Causes

  1. ATTEMPT TO COMMUNICATE WITH THE INSTRUMENT CLUSTER
  2. GROUND CIRCUIT OPEN
  3. FUSED IGNITION SWITCH OUTPUT CIRCUIT OPEN
  4. FUSED B(+) CIRCUIT OPEN
  5. OPEN PCI BUS CIRCUIT
  6. SENTRY KEY IMMOBILIZER MODULE
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