C1250 Buick Code - Lateral Acceleration Sensor Circuit High Voltage
Quick Answer
The Yaw Rate, Lateral Acceleration, and Longitudinal Acceleration Sensors are combined into one Multi-Axis Acceleration Sensor, internal to the Inflatable Restraint Sensing and Diagnostic Module. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- C1250 Buick indicates Lateral Acceleration Sensor Circuit High Voltage.
- Common causes
- Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code C1250 Buick Description
What are the Possible Causes of the DTC C1250 Buick?
- Faulty Transmission Control Module (TCM)
- Transmission Control Module harness is open or shorted
- Transmission Control Module circuit poor electrical connection
- Faulty Electronic Brake Control Module (EBCM)
How to Fix the DTC C1250 Buick?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1250 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about C1250 Buick Code
1. What does the OBDII code C1250 mean on a Buick?
C1250 indicates a problem with the Lateral Acceleration Sensor Circuit, specifically a high voltage issue, which can affect the vehicle's stability control system.
2. What are the symptoms of code C1250 on a Buick?
Common symptoms include the ABS or traction control warning lights illuminating, reduced stability control performance, or a loss of traction control functionality.
3. What causes the C1250 code to be triggered?
The code is typically caused by a malfunctioning lateral acceleration sensor, damaged wiring or connectors, or a fault in the ABS control module.
4. Can I drive my Buick with the C1250 code active?
While the car may still be drivable, stability and traction control systems may not function properly, increasing the risk of losing control in certain conditions.
5. How do I diagnose the C1250 code on my Buick?
Start by inspecting the lateral acceleration sensor, wiring, and connectors for damage or corrosion. Use a diagnostic scan tool to confirm the fault and check sensor voltage readings.
6. Where is the lateral acceleration sensor located on a Buick?
The sensor is usually located near the center of the vehicle, under the center console or beneath the front seats.
7. How can I fix the C1250 code on my Buick?
Repairs may include replacing the lateral acceleration sensor, repairing or replacing damaged wiring, or reprogramming or replacing the ABS control module.
8. What tools are needed to fix the C1250 code?
A diagnostic scan tool, multimeter, and basic automotive repair tools like screwdrivers and wrenches are typically required.
9. How much does it cost to repair the C1250 code on a Buick?
Repair costs vary but typically range from $150 to $400, depending on whether the sensor, wiring, or ABS module needs replacement.
10. Can a faulty battery cause the C1250 code on a Buick?
A weak or failing battery can sometimes cause electrical issues, but the C1250 code is more likely due to a direct problem with the sensor or its circuit.
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