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ABS - DTC Troubleshooting Data
(Bolt, Zest, Tiago, Pelican, Nexon & Tigor)
Version: 1.4
Date: 21 April 2017
Author: ERC - Chassis E&E
Page 161 of 166
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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.
Trouble Shooting -
Start
Connect the diagnostic tool
Read DTCs and check whether it’s
permanent or in history
Check relevant DTCs in the ECM
ECU
Follow the procedure to
diagnose relevant DTCs in
the ECM ECU
NO
YES
Is DTC
Permanent?
Clear DTC
Stop
(DTC in
history)
U0401-81-“
Invalid Data Received From ECM/PCM "A" -
invalid serial data received