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: 180 of 301 B1F64-11:-PTC heater temperature sensor signal-circuit short to ground Overview:- ISO Code B1F64 - 11 Customer Symptom No cooling Fault Effects (On Vehicle) -- Lamp Status (If Any) 1) AC signal from FATC is turned OFF. 2) To control Temp flap, outside temperature will be used 3) Default value of Evap temp = NA. We consider OAT.1) AC signal from FATC is turned OFF. 2) To control Temp flap, outside temperature will be used 3) Default value of Evap temp = NA. We consider OAT.1) AC signal from FATC is turned OFF. 2) To control Temp flap, outside temperature will be used 3) Default value of Evap temp = NA. We consider OAT.1) AC signal from FATC is turned OFF. 2) To control Temp flap, outside temperature will be used 3) Default value of Evap temp = NA. We consider OAT.1) AC signal from FATC is turned OFF. 2) To control Temp flap, outside temperature will be used 3) Default value of Evap temp = NA. We consider OAT.1) AC signal from FATC is turned OFF. 2) To control Temp flap, outside temperature will be used 3) Default value of Evap temp = NA. We consider OAT.1) AC signal from FATC is turned OFF. 2) To control Temp flap, outside temperature will be used 3) Default value of Evap temp = NA. We consider OAT.1) AC signal from FATC is turned OFF. 2) To control Temp flap, outside temperature will be used 3) Default value of Evap temp = NA. We consider OAT.1) AC signal from FATC is turned OFF. 2) To control Temp flap, outside temperature will be used 3) Default value of Evap temp = NA. We consider OAT.1) AC signal from FATC is turned OFF. 2) To control Temp flap, outside temperature will be used 3) Default value of Evap temp = NA. We consider OAT. Fault Detection Condition PTC Heater temperature sensor Signal - Circuit Short To Ground
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