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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 103 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.
C1026-1C - Valve supply- Circuit Voltage out of Range
Overview
ISO Code
C1026-1C
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
Supply voltage to the valve is out of range
Normal Operating Condition
ABS is functional between 10 to 16V
Probable Trouble Area
x
Transition resistance of UBVR supply line is too high.
x
Weak power supply system in case of (high) current
consumption or even unstable supply voltage.
Healing Condition
NA
Component Details -
NA
Preliminary Checks
x
Check for loose contacts and damaged cable.
x
Check for any interruption in cable.
x
Check for proper grounding.