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

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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