
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
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© 2014 Mahindra & Mahindra Ltd.
Combination – 14
ICU
EMS
Code
Description
Code
Description
P8044
No ECM Challenge
P183E
Immobilizer related EEPROM Error
P0633
Immobilizer not programmed
DTC INFORMATION
PROBABLE CAUSES OF
FAILURE
NORMAL OPERATION
Ignition ON
After successful authentication the vehicle starts.
DTC DETECTING CONDITIONS
This combination can be observed when the EMS ECU
is replaced and before the EMS assignment is done.
EEPROM error is registered as the fresh EMS will read
blank sectors in the area where immobiliser related
data should be present.
DTC REACTIONS
Engine Check Lamp: Blinking .
Security tell tale lamp: Continuously ON.
Engine will crank, but will not start.
EMS assignment not done
after replacing new EMS
ECU and flashing
Corrective Action:
Do the EMS assignment.
DIAGNOSTIC MANUAL
SCORPIO
IMMOBILISER
MAN-00281
DEC 2014/Rev 1
46