OBD code B1077 indicates a fault with the Diagnosis Sensor Unit in the airbag system.
Symptoms include the Air Bag Warning Light being ON.
This issue is typically caused by a faulty Diagnosis Sensor Unit, open/shorted harness, or poor electrical connection.
It is a serious concern as it affects the airbag system’s functionality.
To fix it, inspect and repair any damaged wiring or connectors related to the Diagnosis Sensor Unit.
| 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 b1077 OBD Code
The vehicle displays a fault code B1077 related to a potential issue with the passenger airbag module.
- Symptoms: Air Bag Warning Light ON
Causes of the b1077 OBD Code
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Common triggers for fault code B1077 include faulty seat belt buckle switch or wiring issues.
- B1077 can be caused by a faulty Diagnosis Sensor Unit.
- A Diagnosis Sensor Unit harness that is open or shorted.
- A Diagnosis Sensor Unit circuit with poor electrical connection.
Fixing Error Code b1077 Step By Step
To address fault code B1077, inspect and repair the driver’s seatbelt buckle switch circuit as needed.
- To fix OBDII code B1077, first, review the ‘Possible Causes’ mentioned above and visually examine the corresponding wiring harness and connectors.
- Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Next, check the operation of the affected component or system to ensure proper functionality.
- If no issues are found with the wiring or connectors, consider replacing the faulty component or sensor associated with the code.
- Finally, clear the fault code using a scan tool and test drive the vehicle to verify that the issue has been resolved.
Cost Of Fixing b1077 Fault Code
The repair for fault code B1077 may involve replacing the driver’s seatbelt buckle switch.
The cost to diagnose and fix OBD code B1077 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. Actual cost may vary based on shop rates and the complexity of the repair.
Details of the b1077 OBD Code
Fault code B1077 relates to a passenger airbag indicator circuit malfunction.
OBD code B1077 means a passenger airbag indicator circuit failure.
This code is triggered by the airbag control module when it detects a fault in the circuit responsible for the passenger airbag indicator light.
The system involved is the passenger airbag indicator circuit, which is designed to alert the driver to the status of the passenger airbag system.
Mechanic’s Tech Notes
Code B1077 indicates a fault with the passenger airbag module.
OBDII code B1077 indicates a fault with the TCM power circuit.
To diagnose, use a multimeter to check TCM power and ground connections for proper voltage and continuity.
Verify TCM communication over the CAN network using a scan tool.
Visually inspect wiring harnesses and connectors for damage, and check connector pins for corrosion or other issues.
Reflash the TCM if necessary.
This process helps ensure the TCM receives the correct power supply and ground connections for proper operation.
FAQ
OBD code B1077 indicates a fault with the Diagnosis Sensor Unit in the vehicle, leading to the Air Bag Warning Light being ON. Check wiring and connectors for issues.
Common symptoms for OBD code B1077 include Air Bag Warning Light ON. Causes may be a faulty Diagnosis Sensor Unit or related wiring issues. Fix: Inspect and repair wiring connections.
Diagnose and repair OBD code B1077 by checking Diagnosis Sensor Unit, harness, and connections for faults. Inspect wiring, connectors, and components for damage or corrosion.
Wrap Up
If your vehicle is displaying OBD code b1077, you may experience issues with the passenger airbag indicator light not functioning properly.
This could be caused by a faulty passenger airbag indicator circuit or a malfunctioning passenger airbag indicator sensor.
To address OBD code b1077, start by checking the wiring and connectors related to the passenger airbag indicator system.
Look for any damaged wiring, loose connections, or corrosion that may be affecting the sensor’s operation.
If no visible issues are found, consider testing or replacing the passenger airbag indicator sensor to resolve the problem.
