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Engine-Codes – GMC – C1217 GMC

C1217 GMC Code - BPMV Pump Motor Relay Contacts Circuit Open

Quick Answer

The C1217 GMC code indicates that there is an open circuit detected in the BPMV (Brake Pressure Modulator Valve) pump motor relay contacts. Common causes include Corrosion or damage to the relay contacts, Faulty wiring or connectors in the ABS system, Defective BPMV pump motor relay. 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 GMC indicates BPMV Pump Motor Relay Contacts Circuit Open.
Common causes
Common causes include Corrosion or damage to the relay contacts, Faulty wiring or connectors in the ABS system, Defective BPMV pump motor relay.
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 14, 2024
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Code C1217 GMC Description

The C1217 GMC code indicates that there is an open circuit detected in the BPMV (Brake Pressure Modulator Valve) pump motor relay contacts. The BPMV is a crucial component of the vehicle's ABS (Anti-lock Braking System) system, responsible for regulating brake pressure during sudden stops to prevent wheel lock-up. When the relay contacts are open, it means that there is a disruption in the electrical connection between the pump motor and the vehicle's control module.

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

Common Causes of C1217 GMC

  1. Corrosion or damage to the relay contacts
  2. Faulty wiring or connectors in the ABS system
  3. Defective BPMV pump motor relay
  4. Electrical issues such as a blown fuse or a faulty ABS control module
  5. Water intrusion or moisture damage in the ABS system components

Symptoms of C1217 GMC

  1. Illuminated ABS warning light on the dashboard
  2. Loss of ABS functionality during braking
  3. Increased brake pedal effort required to stop the vehicle
  4. Longer stopping distances
  5. Audible clicking or buzzing noises from the ABS module

How to Fix C1217 GMC

  1. Begin by conducting a thorough visual inspection of the ABS system components, checking for any visible signs of damage or corrosion.
  2. Use a multimeter to test the continuity of the BPMV pump motor relay contacts and verify if there is an open circuit.
  3. Inspect the wiring harness and connectors for any signs of wear, damage, or loose connections. Repair or replace as necessary.
  4. If the BPMV pump motor relay is found to be faulty, replace it with a new relay following the manufacturer's guidelines.
  5. Clear the diagnostic trouble codes from the vehicle's system memory using a scan tool and perform a test drive to ensure that the issue has been resolved.

Cost to Fix C1217 GMC

The typical repair costs for addressing the C1217 GMC code related to the BPMV pump motor relay contacts circuit open can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Keep in mind that rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less.

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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 GMC Code

1. What are common symptoms of OBDII code C1217 GMC (BPMV Pump Motor Relay Contacts Circuit Open)?

- Common symptoms include the ABS warning light being illuminated on the dashboard, loss of ABS functionality, and potential issues with the brake system.

2. What could cause the OBDII code C1217 GMC to appear?

- The code may be triggered by a fault in the BPMV pump motor relay contacts circuit, which can be caused by wiring issues, a faulty relay, or a problem with the ABS control module.

3. How can I diagnose the cause of OBDII code C1217 GMC?

- Diagnosing this code typically involves using a scan tool to retrieve the trouble codes, inspecting the wiring and connections related to the BPMV pump motor relay, and testing the relay itself for proper functionality.

4. Can I still drive my vehicle with OBDII code C1217 GMC present?

- While it may be possible to drive the vehicle with this code present, it is not recommended as it can affect the proper operation of the ABS system, potentially compromising safety.

5. What are some repair tips for resolving OBDII code C1217 GMC?

- Repair tips may include checking and repairing any damaged wiring, replacing a faulty relay, or addressing any issues with the ABS control module to resolve the circuit open condition.

6. Is it safe to continue driving if the ABS warning light is on due to code C1217 GMC?

- It is best to avoid driving the vehicle until the issue causing the code is diagnosed and repaired to ensure the ABS system functions correctly in case of emergency braking situations.

7. How much does it typically cost to fix OBDII code C1217 GMC?

- The cost of fixing this code can vary depending on the cause of the issue and the specific repairs needed, but it may involve expenses for parts, labor, and diagnostic services.

8. Can I reset the OBDII code C1217 GMC myself?

- While you can clear the code with an OBDII scan tool, it is important to address the underlying issue causing the code to prevent it from reoccurring and potentially affecting the safety of your vehicle.

9. Are there any recalls or technical service bulletins related to OBDII code C1217 GMC?

- It is recommended to check with GMC dealerships or online resources for any recalls or technical service bulletins related to this specific OBDII code to see if there are known issues or recommended fixes.

10. How urgent is it to address OBDII code C1217 GMC?

- It is recommended to address this code promptly to ensure the proper functioning of the ABS system and maintain the safety of your vehicle, especially in emergency braking situations.

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