OBD code B3875 indicates a fault with the windshield wiper relay circuit in the Body Control Module (BCM).
Symptoms include the Engine Light being ON.
The issue is commonly caused by a faulty windshield wiper relay or related wiring issues.
While not a critical problem, it can affect visibility in adverse weather.
To fix, inspect and repair any damaged components or wiring connections related to the windshield wiper relay circuit.
| 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 b3875 OBD Code
The vehicle displays a warning light indicating a communication issue with the keyless entry system.
- Symptoms: Service Engine Soon Warning Light ON.
- Rough idle.
- Engine stalling at low speeds.
- Hesitation or lack of power during acceleration.
- Engine misfire.
Causes of the b3875 OBD Code
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Possible triggers for fault code B3875 include faulty steering angle sensor or wiring issues.
- B3875 can be caused by a faulty Windshield Wiper Relay.
- A Windshield Wiper Relay harness that is open or shorted.
- A Windshield Wiper Relay circuit with poor electrical connection.
- A faulty Body Control Module (BCM).
Fixing Error Code b3875 Step By Step
To address fault code B3875, inspect and repair the steering wheel position sensor circuit.
- To fix OBDII code B3875, first, review 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, consider resetting the module that is associated with the code.
- Perform a software update if available.
- If the problem persists, consider replacing the module that is triggering the code.
Cost Of Fixing b3875 Fault Code
Diagnosing and repairing fault code B3875 may involve inspecting and potentially replacing the steering wheel position sensor.
The cost to diagnose and fix OBD code B3875 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 b3875 OBD Code
B3875 code indicates a malfunction in the wiper high speed relay circuit.
OBD code B3875 indicates an issue with the rear wiper park switch circuit.
This code is triggered by the Body Control Module (BCM) when it detects a fault in the circuit responsible for controlling the rear wiper park switch.
The BCM monitors the signal from the rear wiper park switch to determine the correct park position for the rear wiper.
If the signal is outside the expected range or absent, it will set this diagnostic trouble code (DTC) B3875.
Mechanic’s Tech Notes
Code B3875 indicates a fault with the wiper high speed relay circuit.
OBDII code B3875 indicates a communication error between the transmission control module (TCM) and the body control module (BCM).
To diagnose this, use a multimeter to check TCM power and ground connections.
Verify TCM communication over the Controller Area Network (CAN) using a scan tool.
Visually inspect wiring harnesses and connectors for damage, and check for broken, bent, or corroded pins.
Reflashing the TCM may be necessary to resolve the issue.
FAQ
OBD code B3875 indicates an issue with the windshield wiper relay circuit. Check for faulty relay, wiring, or BCM. Inspect and repair as needed.
Common symptoms of OBD code B3875 include Engine Light ON, caused by issues like faulty Windshield Wiper Relay or poor BCM connection. Inspect and repair related components and wiring.
Diagnose OBD code B3875 by checking for a faulty windshield wiper relay, open/shorted harness, poor connections, or a faulty BCM. Inspect wiring and connectors for damage.
Wrap Up
If your vehicle is displaying OBD code b3875, you may experience issues with the steering angle sensor circuit.
This could be caused by a faulty steering angle sensor, damaged wiring harness, or poor connections in the system.
To address OBD code b3875, start by inspecting the wiring harness and connectors related to the steering angle 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 steering angle sensor circuit problem.
