OBD code B166C indicates a fault with the left trailer tow lamp bulb circuit.
Symptoms include the Engine Light being ON.
The issue is commonly caused by a faulty left trailer tow lamp bulb or a poor electrical connection in the circuit.
This problem is not severe but should be addressed promptly.
To fix it, inspect the wiring harness, connectors, and components for any damage or corrosion.
| 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 b166c OBD Code
The vehicle displays an airbag warning light on the dashboard with fault code B166C stored.
- Symptoms: Service Engine Soon Warning Light may illuminate.
- Vehicle may experience intermittent starting issues.
- Steering wheel controls may not function properly.
- Horn may not work.
- Cruise control may be inoperative.
Causes of the b166c OBD Code
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Possible triggers for fault code B166C include issues with the occupant classification system.
- B166C can be caused by a Faulty Left Trailer Tow Lamp Bulb.
- A Left Trailer Tow Lamp Bulb harness that is open or shorted.
- A Left Trailer Tow Lamp Bulb circuit with a poor electrical connection.
- Or a Faulty Totally Integrated Power Module (TIPM).
Fixing Error Code b166c Step By Step
To resolve fault code B166C, inspect and repair the driver’s seat position sensor circuit.
- To fix OBDII code B166C, 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 visible issues are found, proceed to test the affected module for proper operation.
- Consider resetting the module or performing a software update if necessary.
- Replace the module if testing and reprogramming do not resolve the issue.
Cost Of Fixing b166c Fault Code
Diagnosing and repairing fault code B166C may involve inspecting and replacing the steering wheel control module.
The cost to diagnose and fix OBD code B166C 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.
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Details of the b166c OBD Code
B166C code indicates an internal failure in the vehicle’s airbag control module.
OBD code B166C means Mirror Horizontal Position Sensor Circuit Low.
This code is triggered by an issue with the horizontal position sensor circuit in the mirror system.
The sensor is responsible for detecting the horizontal position of the mirror and sending this information to the vehicle’s control module.
When the sensor circuit detects a low voltage or malfunction, it triggers the B166C fault code.
This code is specific to mirror position sensor circuits and indicates a problem with the mirror’s horizontal positioning system.
Mechanic’s Tech Notes
Code B166C relates to a fault in the vehicle’s satellite radio module.
OBDII code B166C indicates an issue with the vehicle’s transmission control module (TCM) power supply.
To diagnose this, use a multimeter to check the TCM’s power and ground connections for proper voltage levels.
Additionally, utilize a scan tool to confirm if the TCM is communicating over the Controller Area Network (CAN) network.
Visually inspect the wiring harness and connectors for any damage, and ensure the connector pins are not broken, bent, pushed out, or corroded.
If necessary, consider reprogramming or reflashing the TCM to address the fault.
FAQ
OBD code B166C indicates an issue with the left trailer tow lamp bulb circuit. Check for faulty bulb, harness, or TIPM. Inspect wiring and connectors for damage.
Common symptoms of OBD code B166C include Engine Light ON, caused by issues like faulty left trailer tow lamp bulb or harness. Fix involves inspecting wiring and connectors.
Diagnose OBD code B166C by checking left trailer tow lamp bulb, harness, and connections for faults. Inspect TIPM for issues. Repair as needed.
Wrap Up
If your vehicle displays OBDII code b166c, you may experience issues with the airbag system, such as a faulty airbag sensor, wiring problems, or a malfunctioning airbag control module.
These issues can lead to the airbag warning light staying on or the airbags not deploying in a collision.
To address OBDII code b166c, start by inspecting the wiring harness and connectors related to the airbag system.
Check for any damaged wires, loose connections, or corrosion.
Test the airbag sensors and the airbag control module for proper functionality.
Replace any faulty
