Engine-Codes - Generic - P0A8B

P0A8B - 14 Volt Power Module System Voltage

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P0A8B Possible Causes

  • Faulty 14 Volt Power Module
  • 14 Volt Power Module harness is open or shorted
  • 14 Volt Power Module circuit poor electrical connection

How do I fix code P0A8B?

Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Cost of diagnosing the P0A8B code

Labor: 1.0

The cost of diagnosing the P0A8B code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P0A8B Meaning

The Engine Control Module (ECM) monitors the 14 Volt Power Module. The ECM sets the OBDII code when the 14 Volt Power Module is not to factory specifications.

P0A8B More Information

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