OBD code B1650 indicates an issue with the Occupant Detection ECU in the airbag system.
Symptoms include the Airbag Warning Light being illuminated.
The cause could be a faulty Occupant Detection ECU, open/shorted harness, poor electrical connection, or a faulty Center Airbag Sensor Assembly.
This is a serious issue as it affects airbag deployment.
To fix, inspect and repair any damaged components, wiring harness, or connectors related to the Occupant Detection ECU.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the b1650 OBD Code
The vehicle’s airbag warning light is illuminated on the dashboard.
- Symptoms: Airbag Warning Light ON
Causes of the b1650 OBD Code
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B1650 code typically indicates a problem with the occupant classification system in the vehicle.
- B1650 can be caused by a faulty Occupant Detection ECU.
- An open or shorted Occupant Detection ECU harness.
- Poor electrical connection in the Occupant Detection ECU circuit.
- A faulty Center Airbag Sensor Assembly.
Fixing Error Code b1650 Step By Step
Address the issue by inspecting the occupant classification system and related wiring for fault code B1650.
- To fix OBDII code B1650, start by reviewing the possible causes mentioned above and visually examining the corresponding wiring harness and connectors.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If the wiring and connectors appear to be in good condition, proceed to test the airbag sensor or module for proper operation.
- Replace the faulty airbag sensor or module if necessary.
- Finally, clear the fault code using a scan tool and perform a test drive to ensure the issue has been resolved.
Cost Of Fixing b1650 Fault Code
The repair for fault code B1650 typically involves diagnosing and fixing an issue with the occupant classification system.
The cost to diagnose and fix OBD code B1650 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, so the total cost could be between $75 and $150. Factors like shop rates and the complexity of the repair can influence the final cost.
Details of the b1650 OBD Code
B1650 indicates a problem with the occupant classification system in the vehicle.
OBD code B1650 means Occupant Classification System Fault.
This code is triggered by the Occupant Classification System (OCS) module when it detects a fault in the system.
The OCS is responsible for determining whether the front passenger seat is occupied and the weight of the occupant to control airbag deployment.
When the system detects a fault, it sets the B1650 code to indicate a problem with the Occupant Classification System.
Mechanic’s Tech Notes
For fault code B1650, refer to detailed diagnostic information for troubleshooting and repair guidance.
OBDII code B1650 indicates a problem with the occupant classification system in the vehicle.
To diagnose this, you can start by checking the wiring harness and connectors related to the system.
Look for any visible damage or corrosion on the connector pins.
Use a voltmeter to test the power and ground connections to the system control module.
Additionally, a scan tool can help verify communication over the CAN network.
If no issues are found with the wiring or connections, the problem may lie within the control module itself, requiring further diagnostics or possibly reprogramming.
FAQ
OBD code B1650 indicates an issue with the Occupant Detection ECU. Symptoms include Airbag Warning Light ON. Check ECU, harness, and connections for faults.
Diagnose OBD code B1650 by checking for a faulty Occupant Detection ECU, open/shorted harness, poor electrical connection, or faulty Center Airbag Sensor Assembly. Inspect wiring and connectors for damage.
Common symptoms of OBD code B1650 include Airbag Warning Light ON. To fix, check Occupant Detection ECU, wiring harness, connectors for damage or poor connection.
Wrap Up
If your airbag light is on and you see OBD code b1650, it may indicate a malfunction in the occupant classification system.
This could be caused by a faulty occupant classification sensor, damaged wiring harness, or poor connections in the system.
To address OBD code b1650, check the wiring and connectors related to the occupant classification system.
Inspect the occupant classification sensor for any signs of damage or wear.
Ensure all connections are secure and free of corrosion or debris.
Replace any faulty components as needed.
