U3006-62 Control Module Input Power "A" - Signal compare failure: Action

2011 Jaguar XJ SuperchargedSECTION Action
  • Using the Jaguar Land Rover approved diagnostic equipment, check datalogger signal - Main ECU Supply Voltage (0xD018) - and compare it to battery voltage. Refer to the electrical circuit diagrams and check the transfer case control module power and ground circuits for open circuit, high resistance. Repair the wiring harness as necessary
RENDER: 1.0x

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When to See a Mechanic

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

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