AutoCodes – Pontiac – C1252 Pontiac

C1252 Pontiac Code - Left Front Normal Force Malfunction

Quick Answer

The Continuously Variable Road Sensing Suspension (CVRSS) module estimates the road surface and communicates that information to the Electronic Brake Control module (EBCM). Common causes include Faulty Electronic Brake Control module (EBCM), Electronic Brake Control module (EBCM) harness is open or shorted, Electronic Brake Control module (EBCM) 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 Pontiac indicates Left Front Normal Force Malfunction.
Common causes
Common causes include Faulty Electronic Brake Control module (EBCM), Electronic Brake Control module (EBCM) harness is open or shorted, Electronic Brake Control module (EBCM) 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 889
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 30, 2020
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Code C1252 Pontiac Description

The Continuously Variable Road Sensing Suspension (CVRSS) module estimates the road surface and communicates that information to the Electronic Brake Control module (EBCM). The CVRSS module provides a Pulse Width Modulation (PWM) signal to the EBCM through the left and right normal force signal circuits. The CVRSS module sends each normal force value twice to the EBCM. The possible values of the PWM duty cycle are 20%, 40%, 60% and 80%, with the valid range from 10-90%. The EBCM uses this information to provide improved rough-road braking performance.
OBDII Code C1252 Pontiac - Left Front Normal Force Malfunction - AutoCodes.com
C1252 Pontiac Code - Left Front Normal Force Malfunction

What are the Possible Causes of the DTC C1252 Pontiac?

  • Faulty Electronic Brake Control module (EBCM)
  • Electronic Brake Control module (EBCM) harness is open or shorted
  • Electronic Brake Control module (EBCM) circuit poor electrical connection

How to Fix the DTC C1252 Pontiac?

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 Pontiac 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.

Need more information about the C1252 Pontiac code?

Need more information on how to fix the C1252 Pontiac code? Get Access to Factory Service Manuals

Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1252 Pontiac Code

1. What are the common symptoms of OBDII code C1252 in a Pontiac related to Left Front Normal Force Malfunction?

The common symptoms include issues with the vehicle's stability control system, such as traction control and anti-lock brakes, as well as potential steering and braking problems.

2. What are the possible causes of OBDII code C1252 in a Pontiac indicating Left Front Normal Force Malfunction?

The code may be triggered by a faulty wheel speed sensor, damaged wiring or connectors in the left front wheel speed sensor circuit, or issues with the Electronic Brake Control Module (EBCM).

3. How can I diagnose the cause of OBDII code C1252 in a Pontiac for Left Front Normal Force Malfunction?

A thorough diagnosis involves inspecting the left front wheel speed sensor, checking the wiring and connectors for any damage, and conducting a detailed scan of the vehicle's stability control system using a diagnostic tool.

4. Is it safe to drive my Pontiac with OBDII code C1252 indicating Left Front Normal Force Malfunction?

It is recommended to address the issue promptly to ensure the proper functioning of the vehicle's stability control system. Continued driving with this code unresolved may compromise safety on the road.

5. Can I reset OBDII code C1252 in my Pontiac without fixing the underlying issue?

Resetting the code without addressing the root cause will likely result in the code reappearing once the issue is detected again. It is best to diagnose and repair the problem to prevent further complications.

6. What are some repair tips for resolving OBDII code C1252 in a Pontiac associated with Left Front Normal Force Malfunction?

Start by inspecting the left front wheel speed sensor and its connections for any visible damage. If no issues are found, consider seeking professional assistance to diagnose and repair the problem accurately.

7. How crucial is it to fix OBDII code C1252 in a Pontiac related to Left Front Normal Force Malfunction?

Addressing this code promptly is essential to maintain the proper functioning of the vehicle's stability control system, ensuring safe driving conditions and optimal performance.

8. Can extreme weather conditions affect the triggering of OBDII code C1252 in a Pontiac for Left Front Normal Force Malfunction?

Extreme weather conditions, such as heavy rain or snow, can potentially impact the performance of wheel speed sensors and contribute to the triggering of this code. Regular maintenance and inspections can help prevent such issues.

9. Are there any recalls or technical service bulletins related to OBDII code C1252 in Pontiac vehicles for Left Front Normal Force Malfunction?

It is advisable to check with a Pontiac dealership or refer to the manufacturer's official website for any relevant recalls or technical service bulletins related to this specific OBDII code to stay informed about potential updates or remedies.

10. How much does it typically cost to repair OBDII code C1252 in a Pontiac indicating Left Front Normal Force Malfunction?

The cost of repair can vary depending on the specific cause of the issue, parts needed, labor rates, and whether the repair is performed at a dealership or an independent repair shop. It is recommended to obtain estimates from multiple sources before proceeding with the repair.

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