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Engine-Codes - Mercury - B1013 MERCURY

B1013 MERCURY - Heater Rear Defog Switch

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

B1013 MERCURY Possible Causes

What does this mean?
  • Faulty Heater Rear Defog Switch
  • Heater Rear Defog Switch harness is open or shorted
  • Heater Rear Defog Switch circuit poor electrical connection
  • Faulty Body Control Module (BCM)

How is the B1013 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

What does this mean?
B1013:11 Heater Rear Defog Switch Circuit Short to Ground
B1013:23 Heater Rear Defog Switch Signal Stuck Low

What is the cost to diagnose the B1013 MERCURY code

Labor: 1.0

The cost to diagnose the B1013 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)

B1013 MERCURY Meaning

The Body Control Module (BCM) monitors the Heater Rear Defog Switch. The BCM sets the OBDII code when the Heater Rear Defog Switch is not to factory specifications.

More Information

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