X2 Eagle ESP DTC Troubleshooting Data Version: 1.0 Date: 23-Oct-15 Author: ERC, Chassis E&E CoC Page: 105 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. 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, ESP – Not available Fault Detection Condition ABS – OFF, EBD – OFF, ESP – ON 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
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