ABS - DTC Troubleshooting Data
(Bolt, Zest, Tiago, Pelican, Nexon & Tigor)
Version: 1.4
Date: 21 April 2017
Author: ERC - Chassis E&E
Page 121 of 166
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.
U3000-4B - Control Module – Over temperature Failure
Overview
ISO Code
U3000-4B
Customer Symptom
Warning Light Displayed
Fault Effects (On Vehicle)
None of the functionalities of ABS ECU are available.
Lamp Status (If Any)
Warning Light Displayed
Fault Detection Condition
Valve fault due to overheat protection - occurrence possibility
rare and most likely during Diagnosis routines execution only.
Normal Operating Condition
ABS is functional between 10 to 16V
Probable Trouble Area
x
Valve actuation for longer than threshold time limit.
x
Continuous valve actuation resulting in estimated
actuator temperature overshoot
Healing Condition
NA
Component Details -
NA
Preliminary Checks -
NA




