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 Page76 U1006-4B: Over Temperature ISO Code U1006 – 4B Customer Symptom No warning lamp, Reduced assistance Fault Effects (On Vehicle) Partial assistance Lamp Status (If Any) Warning Lamp OFF ; G/Driver ON ; Motor ON Fault Detection Condition If PSCM system temperature counter exceeds the maximum set limit. Temp Sensor value > 158° or < -48° 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 PSCM ECU Internal failure Healing Condition Ignition to be off on and re-crank Component Details: NA Preliminary Checks: NA
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