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ABS - DTC Troubleshooting Data
(Bolt, Zest, Tiago, Pelican, Nexon & Tigor)
Version: 1.4
Date: 21 April 2017
Author: ERC - Chassis E&E
Page 137 of 166
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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.
U3006-16 - Control Module Input Power "A"- Circuit Voltage Below Threshold
Overview
ISO Code
U3006-16
Customer Symptom
Warning Light Displayed
Fault Effects (On Vehicle)
x
ABS not available.
x
EBD is available with Reduced Functionality (no
Pressure reduction possible).
Lamp Status (If Any)
Warning Light Displayed
Fault Detection Condition
If Battery(supply) voltage goes below
9.6V
Normal Operating Condition
ABS is functional between 10 to 16V
Probable Trouble Area
x
Fuse of the Voltage supply (UB_VR) defective /
Voltage supply line has an interruption.
x
Connection of the ground line (Car body) or the
contact points (Plug-in connectors) are corroded
(Voltage drop)
x
Battery discharged or insufficient charging capacity.
Healing Condition
NA
Component Details
Preliminary Checks
x
Examine the fuse of the Voltage supply (UB_VR- 25 amp) and exchange if defective.
x
Remove voltage drop at contact points if any
Note - Upper threshold (9.6V), System availability - EBD.