Nexon MCE 2 Gen3 Digital Instrument Cluster DTC Troubleshooting Data Version: 1.0 Date: 12-June-23 Author: Vasant Date Page: 8 of 135 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. U1309-87:-Lost Communication with Antilock Braking System/Electronic Stability Program (ABS/ESP) control Module-missing message --------------------------------------------------------------------------------------------------------- 134 U0151-87:-Lost Communication with Restraints Control Module (SRS)-missing message ----------------------- 134 U1351-87:-Lost Communication with Passive Entry Passive Start (PEPS) -missing message------------------- 134 U0537-87:-Lost Communication with Electrical Steering Column Lock (ESCL)-missing message -------------- 134 U0140-87:-Lost Communication with Body Control Module (BCM)-missing message ----------------------------- 134 U0164-87:-Lost Communication with HVAC Control Module -missing message ------------------------------------ 134 U130B-87:-Lost Communication with Head Unit (H.U) -missing message -------------------------------------------- 134 Appendix------------------------------------------------------------------------------------------------------------------------------- 135 B190B - 11:- Ambient Temperature Sensor Input Short To Ground Overview:- ISO Code B190B – 11 Customer Symptom N/A Fault Effects (On Vehicle) N/A Lamp Status (If Any) N/A Fault Detection Condition IC shall display OAT as ‘---‘ deg.C. Normal Operating Condition IC shall display OAT value & Operating range is b/w -40 to 85 Deg. Probable Trouble Area Related wiring Harness, connector or terminals damaged IPC connector wired wrong, Harness wire shorted, Sensor connector wired wrong, Sensor damaged. Healing Condition IC shall recover from open/short condition after receiving valid values for 20s or Ignition On/Off. Component Details:- OAT Sensor - This sensor gives direct resistive input to the Cluster w.r.to the temperature changes in Outside environment. Refer below table for resistance Vs temperature mapping.
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