Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. PSCM DTC Troubleshooting Guide for Mando EPAS Version: 1.1 Date: 14/01/2019 Author: E&E Chassis - ERC Page70 U1006-47: Control Module Main SW Watchdog / Safety µC Failure ISO Code U1006 – 47 Customer Symptom Heavy steering effort Fault Effects (On Vehicle) No Assistance Lamp Status (If Any) Warning Lamp ON ; G/Driver OFF ; Motor OFF Fault Detection Condition NA Normal Operating Condition PSCM should provide assist if steering wheel is steered after engine is cranked. Normal operating range: ECU will be awake from 6V to 24V. Full assistance is b/w 10V to 18V Low volt. reduced assistance is b/w 8.3V to 10V High volt. reduced assistance is b/w 18V to 24V Probable Trouble Area Internal ECU failure Healing Condition Ignition to be off on and re-crank Component Details: NA Preliminary Checks: NA
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