U0154-LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE
U0154-LOST COMMUNICATION WITH OCCUPANT CLASSIFICATION MODULE
For a complete wiring diagram, refer to the Wiring Information.
Possible Causes
-
When Monitored:
Continuously when the ignition is on.
The battery voltage between 10 and 16 volts.
Ignition Off Draw (IOD) fuse installed.
Totally Integrated Power Module (TIPM) is configured correctly.
-
Set Condition:
Bus messages not received from the Occupant Classification Module (OCM) for approximately two to five seconds.
Possible Causes |
|---|
| CAN BUS CIRCUITS OPEN OR SHORTED |
| DTCS RELATED TO BATTERY VOLTAGE, IGNITION, OR VIN MESSAGES |
| OCCUPANT CLASSIFICATION MODULE POWER AND GROUND |
| TIPM NOT CONFIGURED CORRECTLY |
| OCCUPANT CLASSIFICATION MODULE |
| MODULE THAT SET THIS DTC |
VERIFY DTC IS ACTIVE
| NOTE: | Make sure the IOD fuse is installed and the battery is fully charged before proceeding. |
| 1. | Turn the ignition on. |
| 2. | With the scan tool, read active DTCs. |
Is this DTC active?
Yes
- (Refer to 28 - DTC-Based Diagnostics/MODULE, Totally Integrated Power (TIPM) - Diagnosis and Testing) and perform the U0154-Lost Communication with Occupant Classification Module diagnostic procedure.
No
- (Refer to 29 - Non-DTC Diagnostics/Communication - Diagnosis and Testing) and perform the Stored Lost Communication DTCs diagnostic procedure.