OBD code B1690 indicates a fault with the Side Airbag Sensor Right (RH) in the airbag system.
Symptoms include the Air Bag Warning Light being ON.
Causes may include a faulty sensor, wiring issues, or poor electrical connections.
This is a serious issue as it affects the airbag system’s functionality.
To fix, inspect and repair any damaged components, wiring, or connectors related to the Side Airbag Sensor Right.
| 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 b1690 OBD Code
The vehicle displays an airbag warning light on the dashboard with fault code B1690 stored.
- Symptoms: Air Bag Warning Light ON
Causes of the b1690 OBD Code
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Possible triggers for fault code B1690 include issues with the occupant classification system in the vehicle.
- B1690 can be caused by a faulty Side Airbag Sensor Right (RH).
- A Side Airbag Sensor Right harness that is open or shorted.
- A poor electrical connection in the Side Airbag Sensor Right circuit.
- A faulty Center Airbag Sensor Assembly.
Fixing Error Code b1690 Step By Step
To resolve fault code B1690, inspect and repair the driver’s airbag module circuit as needed.
- To fix OBDII code B1690, start by reviewing the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to the code.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no issues are found during the visual inspection, proceed to test the affected component or system for proper operation.
- Replace any faulty components identified during testing.
- Clear the fault code from the vehicle’s computer using a scan tool.
- Test drive the vehicle to ensure the code does not return, indicating a successful repair.
Cost Of Fixing b1690 Fault Code
The repair for fault code B1690 may involve replacing the Occupant Classification System module.
The cost to diagnose and fix OBD code B1690 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 b1690 OBD Code
B1690 code indicates a fault in the occupant classification system in a vehicle.
OBD code B1690 means Mirror Switch Assembly Circuit Short to Battery.
This code is triggered by the Body Control Module (BCM) when it detects a short to battery in the mirror switch assembly circuit.
The mirror switch assembly circuit is part of the vehicle’s interior electrical system and is responsible for controlling the mirrors’ adjustment functions.
When this circuit experiences a short to battery, the BCM sets code B1690 to indicate the issue.
Mechanic’s Tech Notes
Code B1690 indicates an issue with the smart key system in the vehicle.
OBDII code B1690 indicates a fault with the transmission control module (TCM).
To diagnose, check TCM power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) using a scan tool.
Visually inspect wiring harnesses and connectors for damage, corrosion, or bent pins.
Reflash the TCM if necessary.
This code commonly points to communication issues between the TCM and other modules.
By checking power, ground, and communication, you can pinpoint the root cause and address it effectively.
FAQ
OBD code B1690 indicates a fault with the Side Airbag Sensor Right (RH). Check sensor, harness, and connections for issues causing Air Bag Warning Light to illuminate.
Common symptoms of OBD code B1690 include Air Bag Warning Light ON. Causes may be a faulty Side Airbag Sensor Right or related wiring issues. Fix: Inspect and repair affected components.
Diagnose OBD code B1690 by checking Side Airbag Sensor Right and harness for faults. Inspect wiring and connectors for damage or poor connections.
Wrap Up
If your airbag warning light is on and you see OBDII code b1690, it may indicate a fault in the occupant classification system.
This could be caused by a malfunctioning occupant classification sensor, damaged wiring in the seat cushion, or a faulty airbag control module.
To address OBDII code b1690, check the wiring harness under the front passenger seat for any signs of damage or corrosion.
Inspect the occupant classification sensor and its connectors for proper connection and integrity.
If necessary, replace the sensor or repair any damaged wiring to resolve the issue.
