NEXON 2.0 EV DTC Troubleshooting Document for VCU Version: 1.0 draft Date: 31-Jan-2022 Copyright © TATA MOTORS Ltd. This document must not be used in anyway, such as copying and redistributing to third parties, without the consent of author. U1006 - 47: - Control Module Internal - watchdog / safety Microcontroller failure ISO Code U1006 - 47 Customer Symptom Vehicle is operable with reduced power. If unrecoverable control module failure, vehicle may not respond as per the inputs given by driver Fault Effects (On Vehicle) Vehicle speed will be limited to 50 kmph. If unrecoverable control module failure, vehicle Electronic Control Unit (VECU) may be non-responsive for some or all functions on vehicle Lamp Status (If Any) Limp home telltale blinking. Fault Detection Condition VCU internal component failure Normal Operating Condition VECU functions normally for vehicle drivability. Probable Trouble Area Vehicle Control Unit Hardware Healing Condition NA Component Details: Vehicle Electronic Control Unit (VECU) is responsible to control the Powertrain components as per the inputs received from user/driver for vehicle drivability. Preliminary Checks: Check whether VECU hardware is properly mounted and connected. The above DTC is indication of internal memory related or hardware error in VECU from Software Watchdog of Safety Core. Trouble Shooting: - Step No. Description Check point If Yes If No
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