The Buick U2107 fault code indicates a communication error between the Body Control Module (BCM) and the Engine Control Module (ECM).
Symptoms include the Engine Light being ON.
This issue is commonly caused by a faulty BCM, open or shorted BCM harness, or poor electrical connections.
It is important to visually inspect the wiring harness and connectors 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 Buick u2107 OBD Code
The vehicle displays intermittent loss of communication with the body control module.
- Symptoms: Service Stability System warning light may illuminate.
- Loss of communication with the Body Control Module (BCM) may occur.
- Issues with the vehicle’s stability control system may be experienced.
- Difficulty with steering wheel controls may be noticed.
Causes of the Buick u2107 OBD Code
Possible triggers for Buick U2107 include faulty CAN bus communication or a defective control module.
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- U2107 can be caused by a faulty Body Control Module (BCM).
- A Body Control Module harness that is open or shorted.
- A Body Control Module circuit with a poor electrical connection.
Fixing Buick Error Code u2107 Step By Step
Address the wiring issue causing the U2107 fault code on a Buick.
- To fix U2107 in a Buick, start by reviewing the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to the throttle actuator control module.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If any issues are found, repair or replace the damaged wiring or connectors as necessary.
- Perform a reset on the throttle actuator control module to clear the fault code.
- Test drive the vehicle to ensure the code does not return.
- If the code persists, consider replacing the throttle actuator control module with a new one.
Cost Of Fixing Buick u2107 Fault Code
Diagnosing and repairing fault code U2107 on a Buick may involve checking the communication network.
The cost to diagnose and fix the Buick U2107 error depends on the estimated repair time of 1. 0 hour.
Labor rates usually range from $75 to $150 per hour.
The total cost will vary based on shop rates, complexity of the issue, and any additional parts or services needed.
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Details of the Buick u2107 OBD Code
U2107 code indicates a communication error between control modules in a Buick vehicle.
Code U2107 for a Buick indicates a communication error between the body control module (BCM) and the engine control module (ECM).
This code is triggered when the BCM does not receive the expected message from the ECM over the serial data circuit.
The serial data circuit is a communication network that allows various modules in the vehicle to share information and control functions.
In this case, the BCM and ECM are not communicating properly, leading to the U2107 fault code.
Mechanic’s Tech Notes for Buick Error Code u2107
For Buick U2107, this code indicates a communication error between control modules.
When dealing with a Buick U2107 fault code, it typically indicates a communication issue between the body control module (BCM) and the transmission control module (TCM).
To diagnose this fault code effectively, you can follow these steps: Check Wiring Harness and Connectors: Visually inspect the wiring harness and connectors between the BCM and TCM.
Look for any signs of damage, corrosion, or loose connections.
Ensure connector pins are not broken, bent, or pushed out.
Verify Power and Ground: Using a voltmeter, check the power and ground connections to the TCM.
Make sure the TCM is receiving the correct voltage and has a good ground connection.
Scan Tool Diagnostics: Use a scan tool to communicate with both the BCM and TCM.
Verify if the TCM responds over the Controller Area Network (CAN) network.
If there is no response, it could indicate a wiring or module issue.
Reflashing: In some cases, reprogramming or reflashing the BCM and TCM with the latest software updates may resolve communication issues between the modules.
By following these diagnostic steps, you can pinpoint the root cause of the U2107 fault code in your Bu
FAQ
Common symptoms for Buick fault code U2107 include Engine Light ON, caused by issues like faulty BCM, open/shorted harness, or poor electrical connection. Fix involves inspecting wiring and connectors.
Code U2107 in a Buick is typically triggered by a faulty Body Control Module (BCM), open/shorted BCM harness, or poor electrical connection. Inspect and repair as needed.
Diagnose and repair Buick fault code U2107 by checking BCM, harness, and connections for faults. Inspect wiring for damage, broken pins, or corrosion.
Wrap Up
If your Buick is displaying error code U2107, you may experience issues with the communication between the body control module and the engine control module.
This could be caused by faulty wiring connections, damaged control modules, or a malfunctioning CAN bus system.
To address this, check the wiring harness for any signs of damage, ensure all connectors are securely attached, and inspect the control modules for any visible issues.
Additionally, testing the CAN bus system for proper communication and integrity can help pinpoint the root cause of the problem.
