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Home >> Jeep >> 2004 >> Liberty Limited, 4WD, Part Time >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Powertrain Diagnostic Procedures >> Diagnostic Information And Procedures >> DRIVEABILITY - NGC - Diagnostic Tests >> DTC U0101: No Bus Message From Trans Control Module >> Possible Causes
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Possible Causes

  1. DTC RESET
  2. PCM FUSED IGNITION SWITCH OUTPUT CIRCUIT
  3. PCI BUS UNABLE TO COMMUNICATE WITH DRBIII®
  4. PCM
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