Jeep Grand Cherokee WK. Manual — part 618
B1BAA-OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH (CONTINUED)
For the Occupant Restraint System circuit diagram (Refer to 8 - ELECTRICAL/RESTRAINTS - SCHEMATICS AND
DIAGRAMS).
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
While the CAN bus ignition status is IGN_RUN.
•
Set Condition:
This DTC will set if the ORC is not configured for Occupant Classification Module and the OCM is active on
the CAN Bus. Note: Because all ORCs are originally configured for the OCM the ORC must learn the not
equipped with OCM state from the FCM.
Possible Causes
LOSS OF COMMUNICATION BEWEEN ORC AND FCM
MISSING CAN BUS CONFIGURATION MESSAGE
CORRUPT CONFIGURATION MESSAGE
OCCUPANT RESTRAINT CONTROLLER (ORC)
1.
DETERMINE ACTIVE OR STORED DTC
With the scan tool, read Occupant Restraints Controller (ORC) DTCs.
Does the scan tool display an active B1BAA-OCCUPANT CLASSIFICATION MODULE CONFIGURATION
MISMATCH DTCs?
Active DTC
Go To 2
Stored DTC
Go To 5
2.
CHECKING FOR CORRUPT CONFIGURATION MESSAGE
With the scan tool, read Occupant Restraints Controller (ORC) DTCs.
Does the scan tool display an active U1414-IMPLAUSIBLE/MISSING ECU NETWORK CONFIGURATION
DATA DTCs?
Yes
>> Go To U1414-IMPLAUSIBLE/MISSING ECU NETWORK CONFIGURATION DATA DTC (Refer to 8 -
ELECTRICAL/RESTRAINTS - DIAGNOSIS AND TESTING)
No
>> Go To 3
3.
CHECKING FOR LOSS OF CAN BUS CONFIGURATION MESSAGE
With the scan tool, read Occupant Restraints Controller (ORC) DTCs.
Does the scan tool display an active U1415-IMPLAUSIBLE/MISSING VEHICLE CONFIGURATION DATA
DTCs?
Yes
>> Go To U1415-IMPLAUSIBLE/MISSING VEHICLE CONFIGURATION DATA DTC (Refer to 8 - ELECTRI-
CAL/RESTRAINTS - DIAGNOSIS AND TESTING)
No
>> Go To 4
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RESTRAINTS - ELECTRICAL DIAGNOSTICS
WK
B1BAA-OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH (CONTINUED)
4.
CHECKING FOR LOSS OF COMMUNICATION WITH THE FCM
With the scan tool, read Occupant Restraints Controller (ORC) DTCs.
Does the scan tool display an active U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE
DTCs?
Yes
>> Go To U0141-LOST COMMUNICATION WITH FRONT CONTROL MODULE DTC (Refer to 8 - ELEC-
TRICAL/RESTRAINTS - DIAGNOSIS AND TESTING)
No
>> Go To 6
5.
VERIFYING STORED B1BAA-OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH DTC
With the scan tool, record and erase all DTC’s from the Occupant Restraint Controller.
Turn the ignition off, and wait 15 seconds, then turn the ignition on.
Wait one minute, and read active and stored codes.
Does the scan tool display an active or stored B1BAA-OCCUPANT CLASSIFICATION MODULE CONFIGU-
RATION MISMATCH DTCs?
Yes
>> For active DTC-Go To 2
Yes
>> For stored-Go To 6
No
>> Perform OCS VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/RESTRAINTS - DIAGNOSIS
AND TESTING)
6.
REPLACE THE ORC
WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two min-
utes before proceeding.
WARNING: If the Occupant Restraint Controller (ORC) is dropped at any time, it must be replaced. Failure to
take the proper precautions can result in accidental airbag deployment and personal injury or death.
NOTE: When reconnecting airbag system components the Ignition must be turned off and the Battery must
be disconnected.
Repair
Replace the ORC in accordance with the Service Information.
Perform ORC VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/RESTRAINTS - DIAGNOSIS
AND TESTING)
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RESTRAINTS - ELECTRICAL DIAGNOSTICS
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B1BB8-SRS WARNING INDICATOR STATUS MISMATCH
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RESTRAINTS - ELECTRICAL DIAGNOSTICS
WK
B1BB8-SRS WARNING INDICATOR STATUS MISMATCH (CONTINUED)
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
After the Instrument Cluster bulb check is completed, the ORC compares the lamp request by the ORC (On or
Off) and the Lamp On request by the Instrument Cluster (On or Off) Can bus messages. Each message is
transmitted one time per second or when a change in the lap state occurs.
•
Set Condition:
If the lamp request by the ORC (On or Off), and the Lamp On by the Instrument Cluster (On or Off), messages
do not match, this code will set.
Possible Causes
OCCUPANT RESTRAINT CONTROLLER, INSTRUMENT CLUSTER MESSAGE MISMATCH
INSTRUMENT CLUSTER
OCCUPANT RESTRAINT CONTROLLER
Diagnostic Test
1.
CHECK FOR AN ACTIVE DTC
NOTE: Ensure the battery is fully charged.
NOTE: When reconnecting Airbag system components, the ignition must be turned off and the battery must
be disconnected.
Turn the ignition on, then off, and then on again.
With the scan tool, read Occupant Restraint Controller (ORC) DTCs.
Select DTC type.
Active
Go To 2
Stored
Go To 5
2.
CHECK FOR ACTIVE INSTRUMENT CLUSTER DTCs
With the scan tool, read Instrument Cluster DTCs.
Does the scan tool display and active Instrument Cluster DTCs?
Yes
>> Refer to symptom list for problems related to the Instrument Cluster.
Perform the ORC VERIFICATION TEST-VER 1. (Refer to 8 - ELECTRICAL/RESTRAINTS - DIAGNO-
SIS AND TESTING)
No
>> Go To 3
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RESTRAINTS - ELECTRICAL DIAGNOSTICS
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