TIAGO AMT Gasoline DTC Troubleshooting Guide Version: 2.0 Date: 06-06-2016 Author: Sathi/Anupama Page: 419 of 424 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. 65 P075505 Gear 2 electro valve Short to supply/open circuit - Short circuit to Supply or open circuit on valve -Short circuit to supply or Open circuit on TCU connection -TCU mounting problem -Valve body damage -TCU damage - Electro valve damage 66 P188904 Shift electro valve Open Circuit -Open circuit on valve or connection -Open circuit on TCU connection -TCU mounting problem -Valve body damage -TCU damage - Electro valve damage 67 P188902 Shift electro valve Short to supply -Short circuit to supply on valve -Short circuit to supply on TCU connection -TCU mounting problem -Valve body damage -TCU damage - Electro valve damage 68 P188901 Shift electro valve Short to Ground -Short circuit to GND on valve -Short circuit to GND on TCU connection -TCU mounting problem -Valve body damage -TCU damage - Electro valve damage 69 P188905 Shift electro valve Short to supply/open circuit - Short circuit to Supply or open circuit on valve -Short circuit to supply or Open circuit on TCU connection -TCU mounting problem -Valve body damage -TCU damage - Electro valve damage 70 P185C05 Hydraulic pump Supply Open Circuit /Short to supply - open circuit or short circuit to Supply on harness - open circuit or short circuit to Supply on pump - open circuit or short circuit to Supply on TCU -Wiring Harness Connections -Electric motor connection -TCU connection 71 P185C03 Hydraulic pump Supply Device closed -TCU static pump driver stuck closed -Wiring Harness Connections -TCU connection 72 P185C01 Hydraulic pump Supply Short to ground -Short circuit to GND on Harness or Pump. -Wiring Harness Connections -Electric motor connection -TCU connection 73 P185C07 Hydraulic pump Supply Short to supply -Short circuit to Supply on Harness or Pump -Short circuit to Supply on Harness on TCU -Wiring Harness Connections -Electric motor connection -TCU connection 74 P081A03 Cranking Enable Short to ground/open circuit -Short circuit to GND or open circuit on harness -Short circuit to GND or open circuit on relay -Wiring Harness Connections -Electric motor connection -TCU connection 75 P081A02 Cranking Enable Short to supply -Short circuit to Supply on Harness - Short circuit to Supply on relay -Short circuit to Supply on TCU -Wiring Harness Connections -Electric motor connection -TCU connection
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