High Mounted Stop Lamp Control Circuit


Table of contents

B1115 MERCURY Possible Causes

  • Faulty High Mounted Stop Lamp
  • High Mounted Stop Lamp harness is open or shorted
  • High Mounted Stop Lamp circuit poor electrical connection
  • Faulty Stop Lamp Switch
  • Faulty Body Control Module (BCM)

How do I fix code B1115 MERCURY?

  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.

Tech Notes

  • B1115:11 High Mounted Stop Lamp Control: Circuit Short to Ground
  • B1115:15 High Mounted Stop Lamp Control: Circuit Short to Battery or Open

Cost of diagnosing the B1115 MERCURY code

  The cost of diagnosing the B1115 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

B1115 MERCURY Description

  The Body Control Module (BCM) monitors the High Mounted Stop Lamp. The BCM sets the OBDII code when the High Mounted Stop Lamp is not to factory specifications.

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