Engine-Codes - Mercury - B11D9 MERCURY

B11D9 MERCURY - Vehicle Battery Circuit Below Threshold

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

B11D9 MERCURY Possible Causes

  • Low Battery Charge
  • Charging System
  • Faulty Battery
  • Battery harness is open or shorted
  • Battery circuit poor electrical connection
  • Faulty Steering Column Control Module (SCCM)

How is the B11D9 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.

What is the cost to diagnose the B11D9 MERCURY code

Labor: 1.0

The cost to diagnose the B11D9 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.

Possible Symptoms

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

B11D9 MERCURY Meaning

The Steering Column Control Module (SCCM) continuously monitors input voltage for correct operation. If voltage outside of defined limits is detected by the SCCM, the applicable DTC sets. DTC B11D9 can set if the vehicle battery has been discharged. The vehicle battery may become discharged due to excessive load(s) on the charging system from aftermarket accessories or if the vehicle has been left unattended with the accessories on. The OBDII code sets if the SCCM detects battery voltage below 8 volts on the battery voltage supply circuit.

More Information

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