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Vehicle Platform: NEXON
ECU Name: ESCL
DTC Troubleshooting Data
Version: 1.4
Date: 09 Jan 2018
Author: Hitesh Kaneria
Page: 39 of 88
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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.
Generic DTCs
U1008-16: Control Module Input Power 1 - circuit voltage below threshold
Overview:
ISO Code
U1008-16
Customer Symptom
ESCL will probably not function or will function intermittently or partially
Fault Effects (On Vehicle)
Cannot determine scope without knowledge of power line applicability
Lamp Status (If Any)
None
Fault Detection Condition
If Battery(supply) voltage goes below 11.5V
If Alternator is not charging the battery and alternator voltage is less than
13.5V or 0V.
Normal Operating Condition
Normal operating range:
ECU will be awake from 6V to 16 V.
Full assistance is b/w 11.5 to 16 volts.
Reduced assistance is b/w 9 to 11.5 V
Probable Trouble Area
Low battery
Healing Condition
NA
Table 12: U1008-16 overview details
Component Details:
NA
Preliminary Checks:
1. Voltage at the battery terminals should be greater than 11.5V.
2. ESCL power supply connector should have greater than 11.5V for full assistance.
3. Check battery cable and ESCL connector terminals for damage.
4. Check ESCL ECU for pin bend/damage.
5. Alternator output voltage should be between 13.5 V to 14.5 V in engine running condition.
Troubleshooting: