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Nexon Gasoline – EMS ECU Bosch
DTC Troubleshooting Manual
Version: 0.1
Date: 26-08-2017
Prepared By: Sunu S Babu/Yogesh Jadhav
Checked By: Yeshwant Jadhav
Approved By: Satish Kumar
Document Part No: 2921 02 224 A1736
Page: 689 of 1203
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.
P0562-16: System Voltage Low - Circuit Voltage Below Threshold
Overview:
ISO Code
P0562-16
Customer Symptom
Vehicle Start Ability will get affected.ECU Disconnection- May lead to vehicle
stall
Fault Effects (On Vehicle)
Wiring harness may get burnt.Vehicle start and battery Charging while
driving may get affected
Lamp Status (If Any)
CE lamp ON after 3 drive cycles
Fault Detection Condition
This fault gets logged if EMS ECU receives Battery voltage less than a
calibrated threshold (6 Volts)
Normal Operating Condition
Healthy connections between Battery and EMS ECU, Healthy battery.
Probable Trouble Area
Wiring Harness Connections, Sulphated Terminals of Battery, Battery
Absent, Alternator / Rectifiers faulty
Healing Condition
Engine Running and after 1 drive cycle of fault rectification
Fault permanent deletion
1. Clear DTC Command form Scan tool
2. Stack Over Flow.
3. 40 warm up cycles.
4. ECU Flashing.
5. ECU Power-Fail
Component Details:
Lead Acid Battery provides supply voltage to all vehicle electrical and electro mechanical components
Preliminary Checks:
1. Loose or damaged connections between Battery and EMS ECU
2. Sulphated Battery terminals.
3. Battery not present
4. Alternator / Rectifiers faulty