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PSCM
DTC Troubleshooting Guide for Nexon
Version: 1.1
Date: 21/06/2017
Author: E&E Chassis - ERC
Page: 61 of 156
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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.
C131A - 04: Control module reduced functionality - System internal failure
Overview:
ISO Code
C131A-04
Customer Symptom
No warning lamp, Reduced assistance
Fault Effects (On Vehicle)
Reduced assistance
Lamp Status (If Any)
Warning lamp OFF
Fault Detection Condition
NA
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