X2 Eagle
ESP DTC Troubleshooting Data
Version: 1.0
Date: 23-Oct-15
Author: ERC, Chassis E&E CoC
Page: 85 of 224
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TATA MOTORS Ltd.
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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.




