Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1.0 Date: 30/11/2019 Author: ERC Page 398 of 610 Copyright by TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without our consent P0563-00: Battery Voltage Signal – High Overview: DTC Description as per ISO standard System Voltage High ECU Pin Number B3, B5, B6, B41, B64, B43 Customer Symptom Engine may not start. AC off. CE lamp is on. Reduced torque mode active. Battery voltage is less than 6V. Fault Effects (On Vehicle) Reduced torque mode active Disables wiring harness resistance Pulse corrections for all injectors. Disabled RVD for all Injectors Disable EGR IMV operates without any trim correction. High pressure leak detection test is prevented. Rail Pressure demand value is limited to 800 bar. Lamp Status (If Any) CE lamp is on. Fault Detection Condition This DTC gets logged if the Battery voltage reads by the ECU is more than upper threshold. Normal Operating Condition Diagnostic tool display the value of battery voltage (less than 14.5 Volts) in volts at ignition ON condition Probable Trouble Area Battery, ECU, Grounding points, Wiring harness Healing Condition Clear the errors, Ignition OFF to ON Battery voltage < 15V and engine running / not Running Component Details: Lead Acid Battery provides supply voltage to all vehicle electrical and electro mechanical components Preliminary Checks Check whether the customer voice / view about the issue is matching with the fault effects mentioned above. If yes, go ahead with next steps. If not, check for other DTC’s presence.
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