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Q501 4 Cylinder MT Application
DTC Troubleshooting Data
Version: 0.1
Date: 21-Sep-2018
Prepared By: Mithi Prasad, Sarang Kulkarni, Manish Gupta
Checked By: Yogesh Jadhav
Approved By: Satish Kumar P
Page: 71 of 1052
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.
P1C11-29: BRAKE1 message counter check
Overview:
DTC Description (User Friendly) BRAKE1 message counter check
ECU Pin Number -
Customer Symptom
During ABS torque related functions, EMS ECU will not
support torque request from ABS ECU.
Fault Effects (On Vehicle)
During ABS torque related functions, EMS ECU will not
support torque request from ABS ECU.
Lamp Status (If Any) CE lamp is ON. MIL OFF
Fault Detection Condition (Root cause)
When Engine Speed data is corrupted during
communication.
Normal Operating Condition ECM ECU sends correct data in normal condition.
Probable Trouble Area Electromagnetic interference, high frequency noise.
Healing Condition
Moving away of vehicle from electromagnetic
interference and high frequency noise.
Component Details:
An anti-lock braking system (ABS) is a anti-skid braking system. ABS operates by preventing th from
locking up during thereby maintaining contact with the road surface.
Preliminary Checks:
1. Check whether the customer voice / view about the issue is matching with the fault effects mentioned in above
Table. If yes, go ahead with next steps. If not, check for other DTC’s presence.
2. Check whether other customers report similar complaints earlier. If yes, perform the preliminary checks with
respect to earlier issue closure.
3. Check for Damage in EMS ECU connector / ABS Connector.
4. Check for any back out of pins at EMS ECU connector / ABS Connector.
5. Check for any damage of pins at EMS ECU connector / ABS Connector.
Trouble Shooting: