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X2 Eagle

ESP DTC Troubleshooting Data

Version: 1.0

Date: 23-Oct-15

Author: ERC, Chassis E&E CoC

Page: 85 of 224

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.

C1026-1C:- Valve supply- Circuit Voltage out of Range

Overview:

ISO Code

C1026-1C

Customer Symptom

Warning Light Displayed

Fault Effects (On Vehicle)

ABS,EBD & ESP – Not available

Lamp Status (If Any)

ABS – ON, EBD – ON, ESP – ON

Fault Detection Condition

Supply voltage to the valve is out of range

Normal Operating Condition

ABS is functional in between 10 to 16V

Probable Trouble Area

Transition resistance of UBVR supply line is too high.

Weak power supply system in case of (high) current

consumption or even unstable supply voltage.

Healing Condition

Fault Rectification. Fuse/Battery/ECU Replacement

Component Details:

NA

Preliminary Checks:

Check for loose contacts and damaged cable.

Check for any interruption in cable.

Check for proper grounding.