TIAGO AMT Gasoline DTC Troubleshooting Guide Version: 2.0 Date: 06-06-2016 Author: Sathi/Anupama Page: 65 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. 20. P0932-02: Hydraulic Pressure Sensor Circuit Signal over Max Threshold Overview: ISO Code P0932-02 Customer Symptom Transmission Fault Lamp ON, Creeping inactive, Transmission going automatically to neutral from gear when coming to halt after drive. Repeated pump activation (buzzing sound) Fault Effects (On Vehicle) Creeping inactive, Transmission going automatically to neutral from gear when coming to halt after drive. Repeated pump activation No EOL self-tuning. Lamp Status (If Any) Transmission Fault Lamp ON Fault Detection Condition This fault gets detected after Ignition On when the Engine is not cranking and Sensor & battery Supply voltage is in proper range and a high value of the signal is detected for a timeout. Normal Operating Condition Hydraulic Pressure signal will be in a valid range (Approx. 38-51 bar) corresponding to operating conditions of the kit. Probable Trouble Area Loose mechanical fitment of TCU/ Sensor loose/damage/short (internal)/ TCU internal damage Healing Condition 2000ms after getting valid sensor signal Component Details: The Hydraulic Pressure sensor is an Analog type sensor which outputs a voltage in proportion to the hydraulic pressure of the kit Oil. It is an internal component to the AMT kit which is mounted on the valve body and makes internal electrical contact with the TCU.. Preliminary Checks: 1) If this DTC occurs in combination with DTC P1852, refer remedy for P1852. 2) Loose/ Damaged mechanical fitments of TCU (TCU to valve body mounting). 3) Check for any visible damage to TCU. 4) Check correct fitment of ground cable connections on vehicle chassis. Trouble Shooting:-
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