Nexon_MCE2_7inch_Digital Instrument Cluster_DTC Trouble Shooting Data Version: 1.0 Date: 09-May-2023 Author: Suraj Patil / Rajesh Patil Page: 6 of 167 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. Table of Contents B190B - 11:- Ambient Temperature Sensor Input Short To Ground --------------------------------------------------------8 B190B - 15:- Ambient Temperature Sensor Input Short To Battery or Open ------------------------------------------- 14 B1909 - 11:- Fuel Level Sensor Input Short To Ground---------------------------------------------------------------------- 19 B1909 - 15:- Fuel Level Sensor Input Short To Battery or Open----------------------------------------------------------- 23 B1948 - 11:- Fuel Level Sensor Input- Main side Short To Ground (Applicable Only for Q5 Saddle Tank) ----- 27 B1948 - 15:- Fuel Level Sensor Input - Main side Short To Battery or Open (Applicable Only for Q5 Saddle Tank) ------------------------------------------------------------------------------------------------------------------------------------- 33 B1949 - 11:- Fuel Level Sensor Input- Transfer side Short To Ground (Applicable Only for Q5 Saddle Tank) 39 B1949 - 15:- Fuel Level Sensor Input - Transfer side Short To Battery or Open (Applicable Only for Q5 Saddle Tank) ------------------------------------------------------------------------------------------------------------------------------------- 45 B194A - 11:- Steering Wheel switch/Paddle shifter short to GND --------------------------------------------------------- 51 B194A - 15:- Steering Wheel switch/Paddle shifter short to Battery or Open ------------------------------------------- 55 B1936 - 56:- Odometer Values missing From VICM (Immobilizer) for Learning --------------------------------------- 59 B1937 - 31:- Acknowledgement missing from VICM for Learning --------------------------------------------------------- 63 B193F – 4A: - VIN number mismatch for ode learning (VICM & IPC) failure-------------------------------------------- 70 B194B - 07: - Fuel Tank Jet Pump Mechanical failure ----------------------------------------------------------------------- 73 CAN Bus Architecture: --------------------------------------------------------------------------------------------------------------- 75 Wiring Schematics -------------------------------------------------------------------------------------------------------------------- 76 Abbreviation ---------------------------------------------------------------------------------------------------------------------------- 77 Preliminary Check: -------------------------------------------------------------------------------------------------------------------- 77 U100F - 06:- Ignition Power mode Input Algorithm Based Failures ------------------------------------------------------- 78 U3006 - 16:- Control Module Input Power “A” – Circuit Voltage below Threshold ------------------------------------- 82 U3006 - 17:- Control Module Input Power “A” – Circuit Voltage above Threshold ------------------------------------- 87 U1604 – 55:- Control Module Configuration - not configured --------------------------------------------------------------- 88 U0028 - 13:- Vehicle Communication Bus A-open circuit-------------------------------------------------------------------- 90 U0028 - 88:- Vehicle Communication Bus A-Bus off-------------------------------------------------------------------------- 90 U0100 - 08:- Lost communication with ECM- Message Timeout Failure------------------------------------------------- 95 U0101 - 08:- Lost communication with TCM- TCM Message Timeout Failure------------------------------------------ 99 U1309 - 08:- Lost communication with Anti-Lock Braking System- ASBS/ESP Message Timeout Failure ---- 102 U0164 - 08:- Lost communication with HVAC Control Module- Message Timeout Failure ------------------------ 106 U0151 - 08:- Lost communication with Restraints Control Module (SRS) - Message Timeout Failure --------- 110 U1315 - 08:- Lost communication with Passive Entry Passive Start- Message Timeout Failure ----------------- 113
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