The OBD code B1A89 indicates a fault in the Satellite Antenna system.
Symptoms include the Engine Light being ON.
Common causes are a faulty Satellite Antenna, open/shorted harness, poor electrical connection, or an issue with the SDARS module or ACM.
This issue is not critical.
To fix, inspect wiring, connectors, and components for 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) |
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Symptoms of the b1a89 OBD Code
The vehicle displays an airbag warning light on the dashboard.
- Symptoms: Service Engine Soon Warning Light may illuminate.
- Loss of communication with the steering angle sensor module.
- Steering wheel may feel heavier or harder to turn.
- Steering assist may be disabled.
- Vehicle stability control system may be affected.
Causes of the b1a89 OBD Code
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Possible issues related to fault code B1A89 include faulty steering angle sensor or wiring problems.
- B1A89 can be caused by a faulty Satellite Antenna.
- A Satellite Antenna harness that is open or shorted.
- A Satellite Antenna circuit with poor electrical connection.
- A faulty Satellite Digital Audio Receiver System (SDARS) module in early build vehicles without navigation.
- A faulty Audio Control Module (ACM) in late build vehicles without navigation and all vehicles with navigation.
Fixing Error Code b1a89 Step By Step
To resolve fault code B1A89, inspect and repair the steering angle sensor circuit as needed.
- To fix OBDII code B1A89, start by reviewing the possible causes mentioned above and visually examining the corresponding wiring harness and connectors.
- 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 sensor or module associated with the code for proper operation.
- Replace the sensor or module if necessary.
- Clear the fault codes 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 b1a89 Fault Code
The repair for fault code B1A89 may involve replacing the passengerside curtain airbag module.
The cost to diagnose and fix OBD code B1A89 depends on the estimated 1. 0hour repair time.
Labor rates range from $75 to $150 per hour, so the total cost could be between $75 and $150. Factors like shop rates and complexity of the repair can influence the final cost.
Details of the b1a89 OBD Code
B1A89 code indicates a fault in the passengerside curtain airbag deployment loop circuit.
OBD code B1A89 means Driver Seatbelt Buckle Switch Circuit Short to Battery.
This code is triggered by the Restraints Control Module (RCM) when it detects a short to battery in the circuit of the driver seatbelt buckle switch.
The system involved is the seatbelt buckle switch circuit, which is responsible for detecting whether the driver’s seatbelt is buckled.
Mechanic’s Tech Notes
Code B1A89 relates to a fault in the passengerside curtain airbag deployment loop circuit.
To diagnose and fix OBDII code B1A89, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) using a scan tool.
If the TCM does not respond, reprogramming or reflashing may be necessary.
Visually inspect the wiring harness and connectors for any damage, and check connector pins for signs of being broken, bent, pushed out, or corroded.
This code typically indicates a communication issue between modules, so ensuring proper power, ground, and communication signals are crucial for a successful repair.
FAQ
OBD code B1A89 indicates an issue with the Satellite Antenna system. Check for faults in the antenna, wiring, or modules. Inspect and repair as needed.
Common symptoms of OBD code B1A89 include Engine Light ON. Possible causes are faulty satellite antenna, harness issues, or faulty SDARS/ACM modules. Inspect and repair wiring/connectors.
Diagnose OBD code B1A89 by checking satellite antenna and related wiring for faults. Inspect connectors for damage or corrosion. Repair as needed.
Wrap Up
If your vehicle is displaying OBD code b1a89, you may experience issues with the steering angle sensor, steering column control module, or related wiring problems.
This can lead to inaccurate steering angle readings, affecting stability control and other safety systems.
To address OBD code b1a89, check the wiring harness for any visible damage, ensure connectors are securely attached, and test the steering angle sensor for proper operation.
If necessary, replace the faulty sensor or repair any damaged wiring to restore proper functionality to the steering system.
