DIAGNOSIS OF IMMOBILIZER
FAULTS |
• |
Communication between the ECM and the
BCM |
• |
Function of the BCM and the transponder,
and |
• |
Data (stored in the ECM) related to the
immobilizer function. |
Type
|
Diasnostic Codes
|
Immobilizer Related
Faults
|
Fault Types
|
SMARTRA (2.0β
ENGINE)
|
P1610
|
BCM
fault
|
No answer from
the BCM Invalid message from BCM to
ECM
|
P1800
|
Antenna
error
|
P1803
|
Invalid
request from ECM or corrupted data
|
P1801
|
Transponder
fault
|
Invalid
transponder data Passive mode
invalid Programming
error
|
P1805
|
EEPROM
|
Inconsistent
data of EEPROM Invalid write operation to
EEPROM
|
ECM
fault
|
No valid data
from ECM after 3 attempts by ECM Invalid
tester message or unexpected requests by tester
|
STAND ALONE (2.7δ
ENGINE)
|
01
|
Untaught
transponder
|
Untaught
transponder
|
02
|
Transponder
communication error
|
Transponder
error due to a wrong code or bad read (wrong transponder in field,
or more than one transponder in the field).
|
03
|
ECM
communication error
|
ECM error due
to bad Service ID (SID), Bad Message ID (MID) or protocol
errors
|
04
|
Immobilizer
antenna - open
|
Open
Immobilizer antenna
|
05
|
BCM internal
fault or EEPROM
|
BCM internal
fault (smart driver failure) or BCM EEPROM error
|
06
|
ECM not
detected
|
ECM not
detected
|
REPLACEMENT OF ECM AND BCM
NEUTRALISING
ECM