Engine-Codes - Mercury - B10E5 MERCURY

B10E5 MERCURY - Wake up Control Circuit Short

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

B10E5 MERCURY Possible Causes

  • Faulty Body Control Module (BCM)
  • Body Control Module (BCM) harness is open or shorted
  • Body Control Module (BCM) circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

How is the B10E5 MERCURY 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.

Tech Notes

B10E5:11 Wake up Control: Circuit Short To Ground
B10E5:15 Wake up Control: Circuit Short To Battery or Open

What is the cost to diagnose the B10E5 MERCURY code

Labor: 1.0

The cost to diagnose the B10E5 MERCURY 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.
How much do you know about cars?

Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge

Play Now

Possible Symptoms

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

B10E5 MERCURY Meaning

The wake up control circuit is used to wake up the Powertrain Control Module (PCM) prior to engine cranking. The PCM needs to wake up prior to a crank request so that it has time to go through its own initialization. The wake up control circuit is controlled by the Body Control Module (BCM). The OBDII set when the BCM detects a short to ground or voltage on the wake up control circuit.

More Information

Need more information on how to fix the B10E5 MERCURY code?
Get Access to Factory Service Manuals

Need more help?

Get the B10e5 Mercury code diagnosed by a professional: Find a repair shop in your area