Jeep Grand Cherokee WK. Manual — part 671
VEHICLE THEFT SECURITY
TABLE OF CONTENTS
page
page
VEHICLE THEFT SECURITY - ELECTRICAL
DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
VEHICLE THEFT SECURITY - SERVICE
INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . 83
VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS
TABLE OF CONTENTS
page
page
VEHICLE THEFT SECURITY - ELECTRICAL
DIAGNOSTICS
DIAGNOSIS AND TESTING
. . . . . . . . . . . . . . . . . . . . 3
PROGRAMMED . . . . . . . . . . . . . . . . . . . . . . . . 7
PERFORMANCE . . . . . . . . . . . . . . . . . . . . . . . 8
B1A2A-KEY 1 COMMUNICATION ERROR
B1A2BA-KEY 2 COMMUNICATION ERROR
B1A2C-KEY 3 COMMUNICATION ERROR
B1A2D-KEY 4 COMMUNICATION ERROR
B1A2E-KEY 5 COMMUNICATION ERROR
B1A2F-KEY 6 COMMUNICATION ERROR
B1A30-KEY 7 COMMUNICATION ERROR
B1A31-KEY 8 COMMUNICATION ERROR
COMMUNICATION ERROR . . . . . . . . . . . . . . 47
B2101-IGNITION RUN/START INPUT LOW
B2102-IGNITION RUN/START INPUT HIGH
B2204-ECU CONFIGURATION MISMATCH
B2205-ORIGINAL VIN MISSING/MISMATCH
. . . . . . . . . . . . . . 74
RECEIVER . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
IMMOBILIZER . . . . . . . . . . . . . . . . . . . . . . . . 76
. . . . . . . . . . . . . . . . . . . . 77
FRONT CONTROL MODULE . . . . . . . . . . . . . 81
CENTRAL GATEWAY . . . . . . . . . . . . . . . . . . . 81
CLUSTER/CCN . . . . . . . . . . . . . . . . . . . . . . . 81
. . . . . . . . . . . . . . . . 82
VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS
DIAGNOSIS AND TESTING
WK
VEHICLE THEFT SECURITY
8Q - 1
B1A24-KEY NOT PROGRAMMED
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
With the ignition switch on.
Possible Causes
KEY NOT PROGRAMMED
SKREEM
Diagnostic Test
1.
KEY NOT PROGRAMMED
Turn the ignition on.
Using a scan tool, attempt to program the key(s) into the SKREEM.
Was the programming of the key(s) successful?
Yes
>> Programming of the key(s) were successful. Test complete.
Perform SKREEM VERIFICATION TEST. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY -
STANDARD PROCEDURE)
No
>> Replace the ignition key and attempt to program it into the SKREEM. If the DTC resets, replace and
program the SKREEM in accordance with the Service Information.
Perform SKREEM VERIFICATION TEST. (Refer to 8 - ELECTRICAL/VEHICLE THEFT SECURITY -
STANDARD PROCEDURE)
8Q - 2
VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS
WK
B1A25-INVALID KEY
WK
VEHICLE THEFT SECURITY - ELECTRICAL DIAGNOSTICS
8Q - 3
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