OBD code B0070 indicates an issue with the Right Front/Passenger Roof Rail/Head Curtain Airbag system.
Symptoms include the Air Bag Warning Light being illuminated.
This is often caused by a faulty airbag, wiring harness issues, or a problem with the Sensing and Diagnostic Module (SDM).
While not a critical issue, it should be addressed promptly.
A possible fix involves inspecting and repairing any damaged components or wiring connections in the affected system.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
Symptoms of the b0070 OBD Code
The vehicle displays an airbag warning light on the dashboard with fault code B0070 stored.
- Symptoms: Air Bag Warning Light ON
Causes of the b0070 OBD Code
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Code B0070 typically indicates an issue with the passenger seatbelt tension sensor circuit.
- B0070 can be caused by a faulty Right Front/Passenger Roof Rail/Head Curtain Bag.
- A Right Front/Passenger Roof Rail/Head Curtain Bag harness that is open or shorted.
- A Right Front/Passenger Roof Rail/Head Curtain Bag circuit with a poor electrical connection.
- A faulty Sensing and Diagnostic Module (SDM).
Fixing Error Code b0070 Step By Step
Repair involves inspecting and replacing the passenger seatbelt buckle switch to address fault code B0070.
- To fix OBDII code B0070, first, review the possible causes related to this code.
- Visually examine the wiring harness and connectors associated with the airbag system.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no visible issues are found, consider resetting the airbag module using a professional diagnostic tool.
- Finally, if the problem persists, you may need to replace the airbag module to resolve the B0070 fault code.
Cost Of Fixing b0070 Fault Code
Repairing fault code B0070 typically involves replacing the passenger seatbelt tension sensor in the vehicle.
The cost to diagnose and fix OBD code B0070 typically ranges from $75 to $150, based on an estimated repair time of 1. 0 hour.
Factors like shop rates and complexity of the repair can influence the final cost.
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Details of the b0070 OBD Code
B0070 code indicates a problem with the passenger seatbelt tension sensor circuit.
OBD code B0070 means Right Rear Seatbelt Sensor Circuit.
This code is triggered by the Restraints Control Module (RCM) when it detects a circuit malfunction in the sensor for the right rear seatbelt.
The RCM monitors the sensor circuit for proper operation to ensure the seatbelt system functions correctly in the event of a collision.
Mechanic’s Tech Notes
Code B0070 indicates a malfunction in the passenger seatbelt tension sensor circuit.
OBDII code B0070 indicates a problem with the auxiliary heater control module communication circuit.
To diagnose, use a scan tool to check for communication issues between modules.
Inspect wiring and connectors for damage or corrosion.
Test the auxiliary heater control module’s power and ground with a voltmeter.
Ensure connector pins are intact.
If no visible issues, perform a continuity test on the communication circuit.
Reflash the module if necessary.
FAQ
OBD code B0070 indicates an issue with the Right Front/Passenger Roof Rail/Head Curtain Airbag system. Check wiring, connectors, and components for faults.
Common symptoms of OBD code B0070 include Air Bag Warning Light ON. Causes may be a faulty Right Front/Passenger Roof Rail/Head Curtain Bag or related wiring issues. Fix: Inspect and repair as needed.
Diagnose OBD code B0070 by checking right front/passenger roof airbag components for faults. Inspect wiring harness, connectors, and SDM for issues. Repair as needed.
Wrap Up
If your airbag warning light is illuminated and you retrieve OBDII code B0070, it may indicate a fault in the passenger seatbelt tension sensor circuit.
This could be caused by a faulty sensor, damaged wiring, or poor connections in the system.
To address OBDII code B0070, start by inspecting the wiring harness and connectors related to the passenger seatbelt tension sensor.
Look for any signs of damage, corrosion, or loose connections.
Test the sensor itself for proper operation and replace if necessary to resolve the issue.
