3754 / 4910
X2 Eagle
ABS DTC Troubleshooting Data
Version: 1.0
Date: 03-Dec-15
Author: ERC, Chassis E&E CoC
Page: 101 of 154
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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.
C0040-64:- Brake Pedal Switch “A”- Signal Plausibility Failure
Overview:
ISO Code
C0040-64
Customer Symptom
Warning Light Displayed
Fault Effects (On Vehicle)
NA
Lamp Status (If Any)
ABS & EBD – Available
Fault Detection Condition
ABS – OFF, EBD – OFF
Normal Operating Condition
ABS is functional in between 10 to 16V
Probable Trouble Area
Master cylinder pressure increase without any
hardwired BLS signals being set during no control
The BLS-signal is set while the accelerator pedal is
pressed with no active control for a long time
Mechanical defect or wrong mounting of BLS
Healing Condition
Fault Rectification/ ECU replacement
Component Details:
NA
Preliminary Checks:
Examine the mounting of the Brake light switch and correct if defective.
After rectifying the fault perform Ignition Off/On and apply/release brake to get fault free system
If fault persists even after above steps, replace ECU