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PSCM
DTC Troubleshooting Guide for Nexon
Version: 1.1
Date: 21/06/2017
Author: E&E Chassis - ERC
Page: 64 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.
C131B - 01: Drive motor control circuit failure- General electrical failures
Overview:
ISO Code
C131B-01
Customer Symptom
No PSCM functionality (Heavy steering)
Fault Effects (On Vehicle)
No Assistance
Lamp Status (If Any)
Warning Lamp ON
Fault Detection Condition
Electrical failures in motor driver control circuit
Normal Operating Condition
PSCM should provide assist if steering wheel is steered after
engine is cranked. Normal operating range:
ECU will awake from 6V to 18V.
Full assistance is b/w 10V to 16V
Reduced assistance is b/w 8.7V to 10V
Probable Trouble Area
Internal ECU failure.
Healing Condition
NA
Component Details:
NA
Preliminary Checks:
NA