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Home >> Jeep >> 2004 >> Wrangler Unlimited >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Powertrain Diagnostic Procedures >> Communication >> *No Response From Sentry Key Immobilizer Module >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

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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