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Defender 90
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Repair and Diagnosis
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Quick Lookups
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Common Specs & Procedures
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Diagnostic Trouble Code Index DTC: Rear HVAC Control Module (RHVAC) - With Rear Air Conditioning -- Defender/L663
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Diagnostic Trouble Code Index - DTC: Rear HVAC Control Module (RHVAC) - With Rear Air Conditioning (G2400910)
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Description And Operation
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Rear HVAC Control Module (RHVAC) - With Auxiliary Climate Control
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DTC U201A-57: Control Module Main Calibration Data - Invalid/incomplete software component
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Action
DTC U201A-57: Control Module Main Calibration Data - Invalid/incomplete software component: Action
Using the Jaguar Land Rover approved diagnostic equipment, re-configure the rear HVAC control module with the latest level software