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PSCM
DTC Troubleshooting Guide for Nexon
Version: 1.1
Date: 21/06/2017
Author: E&E Chassis - ERC
Page: 65 of 156
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:
1. CONNECT THE TML DIAGNOSTIC TOOL.
2. TURN THE IGNITION ON.
3. CHECK THE STATUS OF DTC’s (MENORIZED/CURRENT)
4. RECORD THE DTC AND CLEAR.
5. TURN IGNITION OFF & ON.
6. VERIFY IF DTC C131B-01 IS PRESENT
YES
NO
CHECK CABLE AND CONNECTOR FROM
MOTOR TO THE PSCM ECU
CONNECTOR
AND CABLE
CHECK MOTOR CONNECTOR AT ECU SIDE
IS CONNECTOR OK?
REPLACE THE STEERING
COLUMN
YES
NO
YES
IS DTC PRESENT?
Yes
No
STOP
REPLACE THE PSCM ECU
1. RESET THE ECU (REMOVE THE POWER PLUG FROM
ECU AND RECONNCET AFTER 5 MIN.)
2. CLEAR THE DTC FROM THE MEMORY
3. TURN THE IGNITION SWITHCH OFF & ON
4. CHECK THE DTC
IS DTC PRESENT?
NO
STOP
REPLACE THE STEERING
COLUMN