Dodge Durango (HB). Manual — part 510
B1BA8-OCM SYSTEM OUT OF CALIBRATION/NOT CALIBRATED
For a complete wiring diagram Refer to Section 8W.
•
When Monitored:
While the CAN bus ignition status is IGN_RUN or SNA.
•
Set Condition:
This DTC will set if the module has initiated a rezero and did not successfully complete the system verification.
Diagnostic Test
1.
PERFORM OCCUPANT CLASSIFICATION MODULE SYSTEM VERIFICATION TEST
Verify that the passenger seat is empty.
Verify that all of the Seat Weight Sensor mounting screws are torqued
to specification. Refer to 23 - BODY/SEATS.
NOTE: Failure to follow the test instructions or aborting the test
will cause faults to set when performing the Occupant Classifica-
tion Module System Verification Test. To prevent faults due to
process errors: Verify That All Tests Steps That Led You Here
Were Performed As Directed; Verify That The Ignition Is In Run;
Wait 30 Seconds After Changing The Seat Weight Before Pro-
ceeding To Allow The System To Stabilize; Only Press Scan Tool
Buttons When Directed To Do So; & Perform The Occupant Clas-
sification Module System Verification Test To Completion.
With the scan tool in OCM, select More Options, select System Tests,
and select Occupant Classification Module System Verification Test.
Run the test by following the instructions displayed on the scan tool.
When the test is complete, proceed as follows.
With the scan tool, read OCM DTCs.
Does the scan tool display any active DTCs?
Yes - B1BA8 DTC Returned
Perform the *Diagnosis/Checkout Procedure For Seat Weight Sensors.
Yes - But Other DTCs Present
Diagnose and repair the DTCs. Refer to the Table of Contents in this Section for a complete list of
symptoms.
No - Active DTCs Present
Perform OCS VERIFICATION TEST - VER 1.
HB
RESTRAINTS - ELECTRICAL DIAGNOSTICS
8O - 309
B1BB8-SRS WARNING INDICATOR STATUS MISMATCH
8O - 310
RESTRAINTS - ELECTRICAL DIAGNOSTICS
HB
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 igni-
tion 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
HB
RESTRAINTS - ELECTRICAL DIAGNOSTICS
8O - 311
B1BB8-SRS WARNING INDICATOR STATUS MISMATCH (CONTINUED)
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 Instru-
ment Cluster.
Perform the ORC VERIFICATION TEST-VER 1.
No
>> Go To 3
3.
CHECK THE ORC AND INSTRUMENT CLUSTER FOR LAMP STATUS
With the scan tool view the Instrument Cluster Data Display.
Cycle the ignition key and observe the SRS Indicator Lamp Request
status (Set/Not Set) during the Instrument Cluster bulb check.
With the scan tool view the ORC Data Display.
Cycle the ignition key and observe the SRS Indicator Lamp Status
(Lamp On/Lamp Off) during the Instrument Cluster bulb check.
Did the Data Display information match the operation of the
lamp?
Yes
>> Go To 4
No
>> Replace the Instrument Cluster in accordance with the ser-
vice information.
Perform the ORC VERIFICATION TEST-VER 1.
4.
REPLACE THE OCCUPANT RESTRAINT CONTROLLER
WARNING: To avoid personal injury or death, turn the ignition off, disconnect the battery and wait two min-
utes before proceeding.
WARNING: If the airbag control module is dropped at any time, it must be replaced. Failure to take the
proper precautions could result in accidental airbag deployment and personal injury or death.
If there are no possible causes remaining, view repair.
Repair
Replace the Occupant Restraint Controller in accordance with the service information.
Perform the ORC VERIFICATION TEST-VER 1.
8O - 312
RESTRAINTS - ELECTRICAL DIAGNOSTICS
HB
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