The OBD code B2890 indicates a problem with the Power Delivery Module (PDM) related to the 12V battery circuit.
Symptoms include the Engine Light being ON.
This issue is commonly caused by a faulty 12V battery, open or shorted battery harness, or poor electrical connection in the circuit.
It is essential to visually inspect the wiring harness, connectors, and components for any damage or corrosion to resolve this issue.
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 b2890 OBD Code
The vehicle displays a warning light indicating a fault with the b2890 code stored in the system.
- Symptoms: Service Engine Soon Warning Light ON.
- Vehicle may experience issues with the airbag system.
- Steering wheel controls may not function properly.
- Horn may not work.
Causes of the b2890 OBD Code
Possible triggers for fault code B2890 include issues with the steering column control module.
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- B2890 can be caused by a faulty 12V Battery.
- A 12V Battery harness that is open or shorted.
- A 12V Battery circuit with a poor electrical connection.
- Or a faulty Power Delivery Module (PDM).
Fixing Error Code b2890 Step By Step
Address the issue by inspecting the steering column control module for fault code B2890.
- To fix OBDII code B2890, first, review the possible causes related to this code.
- Visually examine the wiring harness and connectors associated with the code.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Perform a thorough inspection of the steering angle sensor and its wiring.
- Test the sensor’s output signal using a scan tool or multimeter.
- Replace the steering angle sensor if it fails the test.
- Clear the fault codes and perform a test drive to ensure the issue is resolved.
Cost Of Fixing b2890 Fault Code
Diagnosing and repairing fault code B2890 may involve inspecting and replacing the steering wheel position sensor.
The cost to diagnose and fix OBD code B2890 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, so the general cost could be between $75 and $150. Factors like shop rates and complexity of the repair can influence the final cost.
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Details of the b2890 OBD Code
B2890 code indicates a problem with the steering wheel position sensor.
OBD code B2890 means that there is a fault in the power liftgate control module.
This code is triggered by the power liftgate control module itself when it detects a problem within its circuit or operation.
The signal or system involved in this case is related to the power liftgate control module and its associated components.
Mechanic’s Tech Notes
Code B2890 relates to a fault in the steering column control module.
OBDII code B2890 indicates a communication issue with the Transmission Control Module (TCM).
To diagnose, check TCM power and ground using a multimeter.
Use a scan tool to confirm TCM response over the Controller Area Network (CAN) network.
Visually inspect wiring harnesses and connectors for damage, and check connector pins for corrosion or damage.
Reflashing the TCM may be necessary to resolve the communication problem.
FAQ
OBD code B2890 indicates a fault related to the 12V battery system. Check for issues with the battery, harness, or connections. Inspect and repair as needed.
Common symptoms of OBD code B2890 include Engine Light ON. Possible causes are faulty 12V Battery, harness issues, or faulty Power Delivery Module. Inspect and repair as needed.
Diagnose OBD code B2890 by checking for a faulty 12V battery, open/shorted harness, poor connections, or faulty PDM. Inspect wiring, connectors, and components for damage.

Wrap Up
If your vehicle displays OBD code b2890, you may experience issues with the airbag system, such as a malfunctioning airbag control module, faulty crash sensors, or damaged wiring in the airbag system circuit.
To address OBD code b2890, check the airbag system wiring for any signs of wear, inspect the connectors for corrosion or damage, and test the airbag control module and crash sensors for proper functionality.
Replace any faulty components as needed to resolve the issue.