C1252 Chevrolet Code - Longitudinal Acceleration Sensor Circuit Low 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
- C1252 Chevrolet indicates Longitudinal Acceleration Sensor Circuit Low 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 C1252 Chevrolet Description
What are the Possible Causes of the DTC C1252 Chevrolet?
- 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 C1252 Chevrolet?
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 C1252 Chevrolet 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 C1252 Chevrolet Code
1. What does the OBDII code C1252 mean on a Chevrolet?
C1252 indicates a "Longitudinal Acceleration Sensor Circuit Low Voltage," meaning the sensor or its circuit is not sending the expected voltage to the vehicle's control module.
2. What are the symptoms of the C1252 code in a Chevrolet?
Common symptoms include ABS or traction control warning lights, reduced or disabled stability control, and possible loss of braking assistance in certain conditions.
3. What causes the C1252 code to appear?
Potential causes include a faulty longitudinal acceleration sensor, damaged wiring or connectors, corroded connections, or issues with the ABS control module.
4. Can I drive my Chevrolet with a C1252 code?
While the car may still be drivable, the ABS and stability control systems may not function properly, increasing the risk of losing control in slippery conditions.
5. How do you diagnose the cause of a C1252 code?
A mechanic will typically use a scan tool to confirm the code, inspect the longitudinal acceleration sensor and its wiring, and check for voltage or continuity in the circuit.
6. Where is the longitudinal acceleration sensor located in a Chevrolet?
The sensor is usually located near the center of the vehicle, often under the center console or beneath the seats, depending on the model.
7. How can a C1252 code be fixed?
Repairs may include replacing the longitudinal acceleration sensor, repairing or replacing damaged wiring, cleaning corroded connections, or reprogramming the ABS module if needed.
8. How much does it cost to repair a C1252 code?
The cost can vary depending on the issue, ranging from $100-$300 for sensor replacement to higher amounts if ABS module work is required.
9. Can a weak battery cause a C1252 code in a Chevrolet?
Yes, a weak or failing battery can contribute to low voltage issues, potentially triggering the C1252 code.
10. How can I prevent the C1252 code from recurring?
Regularly inspect and maintain the ABS wiring and connections, ensure the battery and charging system are in good condition, and address any electrical issues promptly.
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