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03-June-2014
Prepared Author
:
6DUDQJ . 0LWKLSDWL 3
Review & approved by
: R A Rode (ERC-E&E)
Page: 14 of 67
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.
B1637-84: Vehicle Immobilizer Control Module Transponder signal below allowable range
Overview:
ISO Code
B1637-84
DTC simple description
Minimum required transponder keys are not learnt during auto
transponder key learning process
Customer Symptom
No impact
Fault Effects (On Vehicle)
No impact
Lamp Status (If Any)
Off
Fault Detection Condition
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Probable Trouble Area
,PPRELOL]HU
Healing Condition
Component Details:
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Preliminary Checks:
Immobilizer
Trouble Shooting:-
Step Checks
IF YES
IF NO
1.
Turn ignition ignition on with 2
nd
key, immo will auto learn
the key
Go to next step
2
Replace the immo with new good one
DTC’s confirmation:-
Number of key learn with immo =2 & vehicle will start both the keys.
Circuit Schematic Diagram:
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Component Location & Image:-