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: 549 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.
P3011-54: Variant coding not performed
Overview:
DTC Description (User Friendly)
Variant coding not performed
ECU Pin Number
-
Customer Symptom
Vehicle will not function as per design intent.
Fault Effects (On Vehicle)
Vehicle will not function as per design intent.
Lamp Status (If Any)
CE Lamp, MIL OFF
Fault Detection Condition (Root cause)
This fault gets logged when the Variant Coding activity is
failed at EOL station due to incorrect writing of variant code.
Variant Configuration Not performed.
Normal Operating Condition
Variant Coding activity will be successful at TML EOL
Probable Trouble Area
Manual error in entering variant code, EOL tool faulty, EMS
ecu.
Component Details:
NA
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 whether Variant code is written as per the Specification provided to EOL team.
Trouble Shooting:
Step Checks
IF YES
IF NO
1.
Is variant code being written into EMS ECU is aligned to
the Vehicle variant?
Go to step 2
Write the variant
code for the
Vehicle variant
correctly.
2.
Check whether the EOL tool is sending the information
properly to EMS ecu?
Go to step 3
Replace EOL tool
3.
If the fault still persists?
Replace EMS ECU
Repeat the above
procedure for fault
Confirmation.




