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Author: Balaji / Amar /
Nitin / Umapathi /
Deepak
Page: 36 of 138
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.
Trouble Shooting:-
Turn ON Ignition.
Connect the TML Diagnostic Tool.
Check the status of DTC’s (Memorized/Current)
Record the DTC & Clear DTC’s
Turn Ignition OFF & ON
Verify If DTC B191C -11 is present
Is DTC
B191C-11 is
Present?
Check for continuity between
Pin No.J1-10(GND) & J1-3 of
ECU Connector.
Is Continuity
Present?
VSS Power supply output is Short Circuit to
Ground.
Rectify Fault at wiring Harness to recover from the
fault.
Clear the DTC & verify the function of speedometer
gauge.
Clear the DTC from the ECU
memory.
Turn Ignition OFF & ON.
Check the function of speedometer
gauge.
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