P258B Code - Vacuum Pump Control Range/Performance
Quick Answer
The P258B diagnostic trouble code (DTC) refers to a Vacuum Pump Control Range/Performance issue in the vehicle. Common causes include Faulty vacuum pump, Vacuum leak in the system, Electrical issues with the vacuum pump control module. 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
- P258B indicates Vacuum Pump Control Range/Performance.
- Common causes
- Common causes include Faulty vacuum pump, Vacuum leak in the system, Electrical issues with the vacuum pump control module.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P258B Description
The P258B diagnostic trouble code (DTC) refers to a Vacuum Pump Control Range/Performance issue in the vehicle. The vacuum pump is a crucial component in the vehicle's braking system, as it generates the vacuum needed for power brake booster operation. When this code is triggered, it indicates that the control module has detected a discrepancy in the operation or performance of the vacuum pump. This can lead to a variety of issues, including compromised braking performance, decreased fuel efficiency, and potential engine stalling.
Common Causes of P258B
- Faulty vacuum pump
- Vacuum leak in the system
- Electrical issues with the vacuum pump control module
- Clogged vacuum lines
- Low engine vacuum pressure
Symptoms of P258B
- Spongy brake pedal
- Longer stopping distances
- Engine stalling or rough idling
- Decreased fuel efficiency
- Illumination of the Check Engine Light
How to Fix P258B
- Diagnose the issue using a scan tool to confirm the P258B code and pinpoint the exact cause of the problem.
- Inspect the vacuum pump, vacuum lines, and control module for any signs of damage or malfunction.
- Replace the faulty vacuum pump or repair any vacuum leaks in the system.
- Clear the DTC and reset the vehicle's computer to ensure the issue has been resolved.
- Test drive the vehicle to verify that the symptoms associated with the P258B code have been eliminated.
Cost to Fix P258B
The typical repair costs for addressing a Vacuum Pump Control Range/Performance issue can vary depending on the specific cause of the problem and the make and model of the vehicle. In general, the cost of replacing a vacuum pump can range from $200 to $600, including parts and labor. However, additional costs may be incurred if there are other underlying issues contributing to the P258B code.
Need more information about the P258B code?
Need more information on how to fix the P258B code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P258B code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P258B Code
No Frequently Asked Questions about P258B Code found.
Discuss the causes and fixes for P258B OBDII Code
Code P258B comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.