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OSPREY- Application
DTC Troubleshooting Data
Version: 4.0
Date: 10-02-2017
Prepared by: Mithipati Prasad
Checked by: G S Raju / Senthilnathan S
Page: 577 of 654
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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.
P3011: Reading of variant coding failed after attempts – General electric Failure
Overview:
ISO Code
P3011
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 ON
Fault Detection Condition
This fault gets logged when the Variant Coding activity is failed at EOL station
due to incorrect writing of variant code.
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:
x
Check whether the customer voice / view about the issue is matching with the fault effects mentioned above. If
yes, go ah
ead with next steps. If not, check for other DTC’s presence.
x
Check whether similar complaints are earlier reported. If yes, perform the preliminary checks with respect to
earlier issue closure.
x
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
DTC’s confirmation:
After rectification, ensure the following points by referring engine parameters using TML diagnostic tool before handing
over to customer.
x
Clear the DTC, Turn OFF the ignition and then turn it ON. Read the DTC’s. Ensure that fault shall not reappeared.