OBD code B2559 indicates an issue with the Aux A/C Blower Motor Relay circuit in the Body Control Module (BCM).
Symptoms include the Engine Light being ON.
The cause could be a faulty relay, open/shorted harness, poor electrical connection, or a faulty BCM.
This is a moderate issue.
To fix, inspect and repair any damaged components, wiring harness, or connectors related to the Aux A/C Blower Motor 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 b2559 OBD Code
The vehicle displays an airbag warning light on the dashboard with fault code B2559 stored.
- Symptoms: Service Engine Soon Warning Light illuminated.
- Difficulty starting the vehicle.
- Loss of power while driving.
- Unusual noises coming from the engine bay.
- Difficulty shifting gears.
Causes of the b2559 OBD Code
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Possible triggers for fault code B2559 include issues with the passenger occupancy sensor system.
- B2559 can be caused by a faulty Aux A/C Blower Motor Relay.
- A malfunctioning Aux A/C Blower Motor Relay harness that is open or shorted.
- An Aux A/C Blower Motor Relay circuit with poor electrical connection.
- A faulty Body Control Module (BCM).
Fixing Error Code b2559 Step By Step
To address fault code B2559, inspect and repair the steering column control module as needed.
- To fix OBDII code B2559, first, review the ‘Possible Causes’ mentioned above and visually examine the corresponding wiring harness and connectors.
- Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Next, check the steering column control module for any signs of damage or malfunction.
- If no issues are found with the wiring or module, consider reprogramming the steering column control module to address the fault.
- If the problem persists after reprogramming, replacement of the steering column control module may be necessary to resolve the B2559 code.
Cost Of Fixing b2559 Fault Code
The repair for fault code B2559 typically involves replacing the passenger seat belt buckle switch.
The cost to diagnose and fix OBD code B2559 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 also influence the final cost.
Details of the b2559 OBD Code
B2559 code indicates a problem with the ignition switch circuit.
OBD code B2559 means a failure in the steering column control module communication circuit.
This code is triggered by the steering column control module itself when it detects a communication issue within its circuit.
The steering column control module is responsible for various functions related to steering control, such as steering angle sensor data processing and steering wheel button inputs.
When this module detects a communication fault, it sets code B2559 to indicate the issue.
Mechanic’s Tech Notes
Code B2559 indicates a communication error between the keyless entry module and the body control module.
OBDII code B2559 typically 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.
Inspect wiring harnesses and connectors for damage, and check connector pins for any issues like being broken, bent, pushed out, or corroded.
Reflashing the TCM may be necessary to resolve the problem.
FAQ
OBD code B2559 indicates an issue with the Aux A/C Blower Motor Relay. Check relay, harness, and BCM for faults. Inspect wiring and connectors for damage or corrosion.
Common symptoms of OBD code B2559 include Engine Light ON, caused by issues like faulty Aux A/C Blower Motor Relay or poor electrical connections. Inspect and repair related components and wiring.
Diagnose OBD code B2559 by checking Aux A/C Blower Motor Relay and harness for faults. Inspect BCM and wiring for issues. Repair as needed.
Wrap Up
If your vehicle is displaying OBD code b2559, you may experience issues with the steering column control module.
This could be caused by a faulty steering angle sensor, damaged wiring harness, or poor electrical connections.
To address OBD code b2559, start by inspecting the wiring harness and connectors related to the steering angle sensor.
Check for any signs of damage, corrosion, or loose connections.
Test the sensor itself for proper operation and replace if necessary to resolve the steering column control module fault.
