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Vehicle Platform: OSPREY / AMP
ECU Name: ESCL
DTC Troubleshooting Data
Version: 1.0
Date: 27 Dec 2016
A
uthor: Hitesh Kaneria Page: 3 of 59Copyright ©
TATA MOTORS Ltd.
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Contents
Change History....................................................................................................................................................................................................2
Abbreviation........................................................................................................................................................................................................5 IVN DTCs..............................................................................................................................................................................................................6 CAN Bus Architecture.........................................................................................................................................................................................6 CAN Wiring Harness Diagram............................................................................................................................................................................7 Preliminary Check ...............................................................................................................................................................................................8 Uxxxx-13: IVN DTCs.............................................................................................................................................................................................9 Generic DTCs.....................................................................................................................................................................................................10 U1008-16: Control Module Input Power 1 - circuit voltage below threshold .........................................................................................10 U1008-17: Control Module Input Power 1 - circuit voltage above threshold .........................................................................................14 B101D-42: Main Processor RAM Error - general memory failure ............................................................................................................18 B101E-42: Main Processor ROM Error - general memory failure.............................................................................................................20 B101F–42: Main Processor EEPROM error - general memory failure......................................................................................................22 B1020-42: Co Processor RAM Error - general memory failure.................................................................................................................24 B1021-42: Co Processor ROM Error - general memory failure.................................................................................................................26F
unctional DTC..................................................................................................................................................................................................28 B1022–96: Steering lock unable to lock - component internal failure.....................................................................................................28 B1023–12: ESCL motor driver high side circuit - short to battery ............................................................................................................30 B1024–11: ESCL motor driver lowside circuit - Short to ground .............................................................................................................32 B1025–96: Implausible indication of Latch Position switch – component internal failure....................................................................34 B1026–96: Micro switch error – component internal failure...................................................................................................................36 B1027–09: Systembasis chip error – component failure .........................................................................................................................38 B1028–09: AD converter error – component failure.................................................................................................................................40 B1029–00: Main Processor -Co Processor communication error.............................................................................................................42 B102A–00: Co Processor not enabled with valid main processor request ..............................................................................................44 B102B–00: Co Processor enabling without main processor request.......................................................................................................46 B102C–00: Co Processor reset error...........................................................................................................................................................48 B102E–00: Main Processor CPU test error.................................................................................................................................................50 B102F–00: Main Processor programsequence error................................................................................................................................52 B1030–00: Co Processor CPU test error.....................................................................................................................................................54 B1031–00: Co Processor programsequence error....................................................................................................................................56