Engine-Codes - Generic - B1345

B1345 Code - Heated Backlite Input Circuit Short to Ground

- Code Popularity: 12,624 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1345?

  • 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 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?

Labor: 1.0

The cost to diagnose the B1345 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.

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|What are Code B1345 Possible Symptoms?

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

|What Does the B1345 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.

Heated Backlite Input Circuit Short to Ground

|Need more Information on the B1345 Code?

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|Code B1345 Information for Specific Makes

  • B1345 Ford Heated Backlite Input Circuit Short to Ground
  • B1345 Infiniti Front Door Satellite Sensor Left Communication Error
  • B1345 Lincoln Heated Backlite Input Circuit Short to Ground
  • B1345 Mercury Heated Backlite Input Circuit Short to Ground
  • B1345 Nissan Front Door Satellite Sensor Left Communication Error

|Need Help with the B1345 Code?

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