P258A OBD-II: Vacuum Pump Control Circuit/Open

P258A Severity

Moderate

Will P258A 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 P258A?

Diesel vehicle's have a separate vacuum pump an reservoir because they cannot utilize vacuum from the engine the way a gasoline vehicle's 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 P258A.

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Tuffy Tire & Auto Service Center - Grandview

4.7
(81)
2.39 mi
1524 W 5th Ave
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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Opens 8:00 AM Mon
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Blackstone Complete Auto Care

4.2
(35)
6.77 mi
4800 Sinclair Road
Columbus, OH
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Opens 9:00 AM Sat
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Boyd's Tire & Service - Columbus

4.7
(178)
7.23 mi
5263 Godown Rd
Columbus, OH
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Opens 8:00 AM Sat
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OBD II Fault Code

  • OBD II P258A

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

Diesel vehicle's have a separate vacuum pump an reservoir because they cannot utilize vacuum from the engine the way a gasoline vehicle's 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 P258A.

Climate control systems will not work Symptoms

  • Climate control systems will not work

Common Problems That Trigger the P258A Code

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

Common Repairs Needed for the P258A Code

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