C1218 Pontiac Code - Pump Motor Circuit Shorted To Voltage Or Motor Ground Open
Quick Answer
The system relay is energized when the ignition is ON. Common causes include Faulty Brake Pressure Modulator Valve (BPMV), Brake Pressure Modulator Valve (BPMV) harness is open or shorted, Brake Pressure Modulator Valve (BPMV) 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
- C1218 Pontiac indicates Pump Motor Circuit Shorted To Voltage Or Motor Ground Open.
- Common causes
- Common causes include Faulty Brake Pressure Modulator Valve (BPMV), Brake Pressure Modulator Valve (BPMV) harness is open or shorted, Brake Pressure Modulator Valve (BPMV) 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 C1218 Pontiac Description
- Transfers brake fluid from the brake calipers to the master cylinder reservoir during pressure decrease events.
- Transfers brake fluid from the master cylinder reservoir to the brake calipers during pressure increase events.
What are the Possible Causes of the DTC C1218 Pontiac?
- Faulty Brake Pressure Modulator Valve (BPMV)
- Brake Pressure Modulator Valve (BPMV) harness is open or shorted
- Brake Pressure Modulator Valve (BPMV) circuit poor electrical connection
- Faulty Electronic Brake Control Module (EBCM)
How to Fix the DTC C1218 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 C1218 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 C1218 Pontiac code?
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Frequently Asked Questions about C1218 Pontiac Code
1. What is OBDII code C1218 on a Pontiac and what does it indicate?
OBDII code C1218 on a Pontiac indicates that the pump motor circuit is shorted to voltage or the motor ground is open.
2. What are the common symptoms of OBDII code C1218 on a Pontiac?
Common symptoms of OBDII code C1218 on a Pontiac may include the ABS warning light being illuminated on the dashboard, a loss of ABS functionality, and potential issues with the vehicle's stability control system.
3. What are the possible causes of OBDII code C1218 on a Pontiac?
Possible causes of OBDII code C1218 on a Pontiac include damaged wiring in the pump motor circuit, a malfunctioning ABS pump motor, or a faulty ABS control module.
4. How can I diagnose OBDII code C1218 on my Pontiac?
Diagnosing OBDII code C1218 on a Pontiac typically involves using a diagnostic scanner to retrieve the specific fault code and then conducting a thorough inspection of the ABS system components, such as checking for damaged wiring or testing the ABS pump motor.
5. Is it safe to drive my Pontiac with OBDII code C1218 present?
It is not recommended to drive your Pontiac with OBDII code C1218 present, as it may lead to a loss of ABS functionality, potentially compromising the vehicle's safety and stability during braking.
6. What are some repair tips for fixing OBDII code C1218 on a Pontiac?
Repairing OBDII code C1218 on a Pontiac may involve repairing or replacing damaged wiring in the pump motor circuit, replacing the ABS pump motor, or addressing any issues with the ABS control module.
7. Can I reset OBDII code C1218 on my Pontiac without fixing the underlying issue?
While you can reset OBDII code C1218 on your Pontiac using a diagnostic scanner, it is important to address the underlying issue causing the fault code to prevent potential safety risks and ensure the proper functioning of the ABS system.
8. How much does it typically cost to repair OBDII code C1218 on a Pontiac?
The cost of repairing OBDII code C1218 on a Pontiac can vary depending on the specific cause of the issue, but it may involve expenses for parts, labor, and diagnostic services.
9. Can a DIY enthusiast fix OBDII code C1218 on a Pontiac at home?
While some DIY enthusiasts may have the skills to diagnose and repair OBDII code C1218 on a Pontiac, it is recommended to consult a professional mechanic or technician for complex ABS system issues to ensure proper repairs and safety.
10. Is OBDII code C1218 a common issue in Pontiac vehicles?
OBDII code C1218 related to the pump motor circuit being shorted to voltage or motor ground open can be a relatively common issue in Pontiac vehicles, particularly in models equipped with ABS systems.
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