No Response From Transmission Control Module - Body Control System

2002 Jeep Liberty Limited Edition 2WD V6-3.7L VIN KSECTION No Response From Transmission Control Module - Body Control System

Tests 1 - 2:




Tests 3 - 5:




Tests 6 - 7:





SYMPTOM
NO RESPONSE FROM TRANSMISSION CONTROL MODULE

POSSIBLE CAUSES
- No response from transmission control module
- Fused ignition switch output (run/st) circuit open
- Fused ignition switch output (start) circuit open
- Fused B(+) circuit open
- Ground circuit(s) open
- Open PCI bus circuit
- Transmission control module
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.