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C1217 Buick Code - BPMV Pump Motor Relay Contacts Circuit Open

Quick Answer

The C1217 Buick diagnostic trouble code (DTC) refers to the BPMV (Brake Pressure Modulator Valve) pump motor relay contacts circuit being open. Common causes include Faulty BPMV pump motor relay contacts, Wiring or connection issues in the relay circuit, Corrosion or damage to the relay contacts. 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
C1217 Buick indicates BPMV Pump Motor Relay Contacts Circuit Open.
Common causes
Common causes include Faulty BPMV pump motor relay contacts, Wiring or connection issues in the relay circuit, Corrosion or damage to the relay contacts.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code C1217 Buick Description

The C1217 Buick diagnostic trouble code (DTC) refers to the BPMV (Brake Pressure Modulator Valve) pump motor relay contacts circuit being open. This means that there is an issue with the relay contacts that control the pump motor in the BPMV system, which is a crucial component of the vehicle's anti-lock braking system (ABS). The BPMV pump motor relay is responsible for regulating the hydraulic pressure in the brake system to prevent wheel lock-up during sudden braking or slippery road conditions. When the relay contacts circuit is open, it can lead to a loss of communication between the ABS system and the pump motor, resulting in potential safety hazards and compromised braking performance.

OBDII Code C1217 Buick - BPMV Pump Motor Relay Contacts Circuit Open
C1217 Buick Code - BPMV Pump Motor Relay Contacts Circuit Open

Common Causes of C1217 Buick

  1. Faulty BPMV pump motor relay contacts.
  2. Wiring or connection issues in the relay circuit.
  3. Corrosion or damage to the relay contacts.
  4. Electrical system malfunctions.
  5. Water or moisture intrusion in the ABS system components.

Symptoms of C1217 Buick

  1. Illuminated ABS warning light on the dashboard.
  2. ABS system failure or inoperative.
  3. Increased stopping distance during braking.
  4. Unusual noises coming from the ABS pump motor.
  5. Poor overall braking performance, especially in slippery conditions.

How to Fix C1217 Buick

  1. Begin by conducting a thorough inspection of the BPMV pump motor relay contacts and wiring harness to identify any visible damage or corrosion.
  2. Test the relay contacts for continuity and resistance using a multimeter to determine if they are functioning properly.
  3. Replace the faulty BPMV pump motor relay if necessary, ensuring that the new part is compatible with the vehicle's ABS system.
  4. Clear the DTC from the vehicle's onboard computer using a diagnostic scan tool to reset the ABS system and verify that the issue has been resolved.
  5. Perform a road test to confirm that the ABS warning light is no longer illuminated and that the braking performance has been restored to normal levels.

Cost to Fix C1217 Buick

The typical repair costs for resolving a C1217 Buick code related to the BPMV pump motor relay contacts circuit open can range from $200 to $500, including parts and labor. However, it's essential to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's advisable to obtain quotes from multiple service providers to ensure a competitive price for the repair.

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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 C1217 Buick Code

1. What are the common symptoms of OBDII code C1217 in a Buick related to the BPMV Pump Motor Relay Contacts Circuit Open?

The common symptoms include the ABS warning light illuminating on the dashboard, loss of ABS functionality, and potential issues with the vehicle's stability control system.

2. What are possible causes of the BPMV Pump Motor Relay Contacts Circuit Open code in a Buick?

Possible causes include a faulty BPMV pump motor relay, damaged wiring or connectors in the ABS system, or a malfunctioning ABS control module.

3. How can I diagnose the BPMV Pump Motor Relay Contacts Circuit Open issue in my Buick?

Diagnosis typically involves using a professional OBDII scanner to read the specific trouble codes stored in the ABS system and conducting a thorough inspection of the ABS components for any visible damage or issues.

4. Is it safe to drive my Buick with the C1217 code related to the BPMV Pump Motor Relay Contacts Circuit Open?

It is not recommended to drive the vehicle extensively with this issue, as it may affect the ABS functionality and compromise the vehicle's overall safety on the road.

5. Can I repair the BPMV Pump Motor Relay Contacts Circuit Open problem in my Buick myself?

Repairing this issue may require a certain level of automotive expertise and specialized tools. It is often recommended to have a professional mechanic or technician address the problem to ensure it is properly diagnosed and repaired.

6. Will resetting the OBDII code C1217 related to the BPMV Pump Motor Relay Contacts Circuit Open make the problem go away?

Simply resetting the code without addressing the underlying issue will not fix the problem. It is crucial to diagnose and repair the root cause of the code to ensure the ABS system functions correctly.

7. How much does it typically cost to fix the BPMV Pump Motor Relay Contacts Circuit Open issue in a Buick?

The cost of repair can vary depending on the specific cause of the problem, parts needed for replacement, and labor costs. It is advisable to obtain estimates from reputable repair shops or dealerships.

8. Are there any preventive maintenance steps I can take to avoid the BPMV Pump Motor Relay Contacts Circuit Open code in my Buick?

Regularly inspecting the ABS system components for signs of wear or damage, ensuring proper electrical connections, and addressing any warning lights promptly can help prevent this issue.

9. Can the BPMV Pump Motor Relay Contacts Circuit Open code in a Buick affect other systems in the vehicle?

While the code is primarily related to the ABS system, issues with the ABS can impact overall vehicle stability and safety, especially in emergency braking situations.

10. How long does it typically take to repair the BPMV Pump Motor Relay Contacts Circuit Open problem in a Buick?

The repair time can vary depending on the exact cause of the issue and the availability of parts. In general, it may take a few hours to a full day to diagnose and repair the problem effectively.

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