Engine-Codes - Generic - P0A7B

P0A7B - Battery Energy Control Module Requested MIL Illumination

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

P0A7B Possible Causes

  • Faulty Battery Energy Control Module
  • Battery Energy Control Module harness is open or shorted
  • Battery Energy Control Module circuit poor electrical connection

How is the P0A7B code repair?

Start by checking 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.

What is the cost to diagnose the P0A7B code

Labor: 1.0

The cost to diagnose the P0A7B 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.
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Possible Symptoms

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

P0A7B Meaning

The Engine Control Module (ECM) monitors the Battery Energy Control Module. The ECM sets the OBDII code when the Battery Energy Control Module is not to factory specifications.

More Information

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