The repair methods given by the manufacturer in this document are based on the technical specifications, current at the time of release. The methods may be modified as a result of changes introduced by
the manufacturer in the production of the various component units and accessories from which the vehicles are manufactured. The reproduction, translation, transmission, in part of or whole of the present
document, are prohibited without the prior written consent of Mahindra & Mahindra Ltd. The use of this document by any person other than the trained personnel, at the Authorized Service Centre of
Mahindra & Mahindra Ltd., will amount to unauthorized use and shall be liable for penalty/prosecution© 2021 Mahindra & Mahindra Ltd.
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13.3 B2F43–00 — TXP TABLE EMPTY
13.3.1 UICU TXP TABLE
In universal immobilizer TXP table is the space were transponder ID’s are stored and the same
are compared during every ignition cycle
DTC Description EMS ECU UICU DTC Description
Immobilizer
Authentication failed
B2FFF—00 B2F43–00 TXP ID table empty
— —
B2F42–00 Wrong TXP
— —
B2F45–00 Authentication
failed/time out
— —
B2F44–00 No ECM Challenge
— —
U1517–00 IMMO Variant Code
Error
— —
B2F50–00 SK not
Programmed/
INVALID
DTC INFORMATION
PROBABLE CAUSES OF
FAILURE
NORMAL OPERATION
• Ignition ON
• After successful security authentication, vehicle starts
normally
DTC DETECTING CONDITIONS
• This combination is registered when the TXP table in
the UICU is empty
DTC REACTIONS
• Immobilizer check lamp: ON
• Engine check lamp: BLINKS
• Starter will not engage
HEALING CONDITION
• Ignition OFF/ON
• Fault not present
• TXP table is empty
• Key learning not done
• UICU is blank
Diagnostic Manual
XUV700 (Diesel)
UICU
MAN-01065
OCT - 2021/Rev 1
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