Engine-Codes - Mercury - B1486 MERCURY

B1486 MERCURY - Brake Pedal Input Circuit Ground Short

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

B1486 MERCURY Possible Causes

  • Faulty Brake Pedal Position Switch
  • Brake Pedal Position Switch harness is open or shorted
  • Brake Pedal Position Switch circuit poor electrical connection
  • Faulty Smart Junction Box (SJB)

How is the B1486 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 B1486 MERCURY code

Labor: 1.0

The cost to diagnose the B1486 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.
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Possible Symptoms

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

B1486 MERCURY Meaning

Fused battery voltage is supplied to the Brake Pedal Position (BPP) Switch from Smart Junction Box (SJB) fuse along the circuit. When the brake pedal is pressed, the BPP switch supplies fused battery voltage to the Anti-Lock Brake System (ABS) module, the Powertrain Control Module (PCM) and the SJB along the circuit.

More Information

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