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Home › Land Rover › 2020 › Defender 110 S › Repair and Diagnosis › General Information › Specifications Index › Diagnostic Trouble Code Index DTC: CHASIS Control Module (CHCM) -- Defender/L663 › Diagnostic Trouble Code Index - DTC: Chassis Control Module (CHCM) (G3139555) › Description And Operation › Chassis Control Module (CHCM) › DTC U3000-05: Control Module - System programing failures › Possible Causes

Possible Causes

NOTE: This DTC does not represent a fault and is triggered by routine diagnostic activity when the air suspension is requested to operate in tight tolerance mode
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