Gravitas FATC Gen 3 DTC Troubleshooting Data Version: 1.0 Date: 15-July-2023 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. Author: ERC Page: 183 of 301 short to ground) Component Details: PTC sensor pic to be added PTC temp sensor is used to sense the temperature of PTCheater coil which gets used by CCM to control PTC heater for climate control. Preliminary Checks: 1.Switch On Ignition. Check sensor and its connector located at center position of lower case of the HVAC unit. 2.Read PTC sensor ECU parameter PTC Sensor Signal Input from the diagnostic tool Trouble Shooting:-
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