P258B OBD-II: Vacuum Pump Control Range/Performance

P258B Severity

Moderate

Will P258B go away on its own?

Once the vehicle's onboard system no longer detects the issue, most codes will disappear on their own. If your vehicle still has this code, however, it should be properly diagnosed to avoid a more serious problem.

For a proper diagnosis, RepairPal Certified shops have the equipment, tools, and expertise.

Moderate severity codes might not threaten the vehicle's safety or functionality immediately, but you should still get it diagnosed within a reasonable time frame to keep your car running well.

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What causes OBD-II fault code P258B?

Diesel vehicles have a separate vacuum pump an reservoir because they cannot utilize vacuum from the engine the way a gasoline vehicles can. The engine control module (PCM) tells the vacuum pump when to turn on an off. If the PCM cannot control the pump, it will set code P258B.

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Tuffy Tire & Auto Service Center - Grandview

4.7
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2.39 mi
1524 W 5th Ave
Columbus, OH
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Excite Auto Repair & Towing

4.4
(15)
5.94 mi
3430 Westerville Road
Columbus, OH
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All In Auto Service

4.9
(21)
6.56 mi
5200 Fisher Road
Columbus, OH
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Tuffy Tire & Auto Service - Grove City

4.4
(520)
6.67 mi
2131 Stringtown Rd
Grove City, OH
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OBD II Fault Code

  • OBD II P258B

OBD-II Code Climate control systems will not work is defined as a Vacuum Pump Control Range/Performance

Diesel vehicles have a separate vacuum pump an reservoir because they cannot utilize vacuum from the engine the way a gasoline vehicles can. The engine control module (PCM) tells the vacuum pump when to turn on an off. If the PCM cannot control the pump, it will set code P258B.

Climate control systems will not work Symptoms

  • Climate control systems will not work

Common Problems That Trigger the P258B Code

  • Powertrain Control Module (PCM) failure
  • Vacuum pump failure
  • Vacuum pump relay failure
  • Wiring issue

Common Repairs Needed for the P258B Code

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