AutoCodesPontiac – C1253 Pontiac

C1253 Pontiac Code - Right 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
C1253 Pontiac indicates Right 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.
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Code Popularity 1,060
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 C1253 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 C1253 Pontiac - Right Front Normal Force Malfunction - AutoCodes.com
C1253 Pontiac Code - Right Front Normal Force Malfunction

What are the Possible Causes of the DTC C1253 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 C1253 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 C1253 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 C1253 Pontiac 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 C1253 Pontiac Code

1. What does the OBDII code C1253 mean on a Pontiac?

C1253 indicates a "Right Front Normal Force Malfunction," typically related to the ABS system and an issue with the right front wheel's hydraulic pressure or sensor input.

2. What are the common symptoms of code C1253 in a Pontiac?

Symptoms may include an illuminated ABS or traction control warning light, reduced braking performance, and possible grinding or pulsing during braking.

3. What causes the C1253 code in a Pontiac?

Common causes include a faulty ABS hydraulic control unit, issues with the right front wheel speed sensor, damaged wiring, or low brake fluid levels.

4. Can I drive my Pontiac with the C1253 code active?

While the vehicle may still be drivable, it’s not recommended as the ABS system may not function correctly, potentially compromising braking safety.

5. How do I diagnose the C1253 code on my Pontiac?

Diagnosis involves scanning for codes, inspecting the ABS hydraulic control unit, checking the right front wheel speed sensor, and examining wiring and connectors for damage.

6. How is the C1253 code fixed in a Pontiac?

Repairs may include replacing the ABS module, repairing or replacing the right front wheel speed sensor, fixing damaged wiring, or topping off and bleeding the brake fluid.

7. Can a low brake fluid level trigger the C1253 code?

Yes, insufficient brake fluid can cause hydraulic pressure issues, which may trigger the C1253 code.

8. Is a professional mechanic required to fix the C1253 code?

While basic checks like inspecting fluid levels can be done by the owner, diagnosing and repairing the ABS system often requires specialized tools and expertise.

9. How much does it cost to repair the C1253 code on a Pontiac?

Repair costs vary but may range from $150 to $1,000 depending on whether the issue is a sensor, wiring, or the ABS module.

10. Can a faulty wheel speed sensor cause the C1253 code?

Yes, a malfunctioning wheel speed sensor on the right front wheel can disrupt ABS operation and trigger the C1253 code.

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