B1BAA

B1BAA-OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH

B1BAA - Occupant Classification Module Configuration Mismatch:

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 between 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.

Q: 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.

Q: 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 U1414
NO: Go To 3

3. CHECKING FOR LOSS OF CAN BUS CONFIGURATION MESSAGE

With the scan tool, read Occupant Restraints Controller (ORC) DTCs.

Q: Does the scan tool display an active U1415-IMPLAUSIBLE/MISSING VEHICLE CONFIGURATION DATA DTCs?

YES: Go To U1415-IMPLAUSIBLE/MISSING VEHICLE CONFIGURATION DATA DTC U1415
NO: Go To 4

4. CHECKING FOR LOSS OF COMMUNICATION WITH THE FCM

With the scan tool, read Occupant Restraints Controller (ORC) DTCs.

Q: 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 U0141
NO: Go To 6

5. VERIFYING STORED B1BAA-OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH DTC

With the scan tool, record and erase all DTCs 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.

Q: Does the scan tool display an active or stored B1BAA-OCCUPANT CLASSIFICATION MODULE CONFIGURATION MISMATCH DTCs?

YES: For active DTC - Go To 2
YES: For stored - Go To 6

NO: Perform OCS VERIFICATION TEST - VER 1. OCS Verification Test

6. REPLACE THE ORC

WARNING:
- TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNITION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE PROCEEDING.
- 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. Perform ORC VERIFICATION TEST - VER 1. Occupant Restraint Controller (ORC) Verification Test