P0A87 OBD-II: 14 Volt Power Module Current Sensor Circuit Range/Performance

P0A87 Severity

Moderate

Will P0A87 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 P0A87?

The 14V Power Module, also referred to as the Accessory DC Power Module, monitors the current to the low voltage systems. If the current gets too high, the 14V Power Module will set code P0A87 and disable the low voltage system.

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OBD II Fault Code

  • OBD II P0A87

OBD-II Code Low voltage systems will not operate is defined as a 14 Volt Power Module Current Sensor Circuit Range/Performance

The 14V Power Module, also referred to as the Accessory DC Power Module, monitors the current to the low voltage systems. If the current gets too high, the 14V Power Module will set code P0A87 and disable the low voltage system.

Low voltage systems will not operate Symptoms

  • Low voltage systems will not operate

Common Problems That Trigger the P0A87 Code

  • 14v power module failure
  • 14V power module software update needed

Common Repairs Needed for the P0A87 Code

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