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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 124 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.
C0040-64 - Brake Pedal Switch “A”- Signal Plausibility Failure
Overview
ISO Code
C0040-64
Customer Symptom
Warning Light Displayed
Fault Effects (On Vehicle)
Lamp Status (If Any)
Warning Light Displayed
Fault Detection Condition
NA
Normal Operating Condition
ABS is functional between 10 to 16V
Probable Trouble Area
x
Master cylinder pressure increase without any
hardwired BLS signals being set during no control
x
The BLS-signal is set while the accelerator pedal is
pressed with no active control for a long time
x
Mechanical defect or wrong mounting of BLS
Healing Condition
NA
Component Details -
NA
Preliminary Checks
x
Examine the mounting of the Brake light switch and correct if defective.
x
After rectifying the fault perform Ignition Off/On and apply/release brake to get fault free system
x
If fault persists even after above steps, replace ECU