Engine-Codes - Mercury - B1345 Mercury

B1345 Mercury Code - Heated Backlite Input Circuit Short to Ground

- Code Popularity: 666 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

What are the Possible Causes of the Code B1345 Mercury?

  • Faulty Heated Rear Window Relay
  • Faulty Heated Rear Window Switch
  • Faulty Heated Rear Window Grid
  • Faulty Smart Junction Box (SJB)

How to Fix the B1345 Mercury Code?

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 Code B1345 Mercury?

Labor: 1.0

The cost to diagnose the B1345 Mercury code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

Does your Mercury have Safety Recalls? → Check here

What are Code B1345 Mercury Possible Symptoms?

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

What Does the B1345 Mercury Code Mean?

When the rear defrosts switch on the climate control assembly is pressed, a ground signal is sent to the Smart Junction Box (SJB) on the circuit. The SJB then grounds circuit. This energizes the heated rear window relay, allowing voltage to be supplied to the heated rear window grid through the circuit. The OBDII code sets when the Heated Backlite Input is not to factory specifications.

B1345 Mercury Code - Heated Backlite Input Circuit Short to Ground

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