AutoCodes – Generic – B1350

B1350 Code - Heated Backlite Relay Short To Ground

Quick Answer

The Body Control Module (BCM) monitors the Heated Backlite Relay. Common causes include Faulty Heated Backlite Relay, Heated Backlite Relay harness is open or shorted, Heated Backlite Relay circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B1350 indicates Heated Backlite Relay Short To Ground.
Common causes: Common causes include Faulty Heated Backlite Relay, Heated Backlite Relay harness is open or shorted, Heated Backlite Relay circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 13,624

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 15, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1350 Description

The Body Control Module (BCM) monitors the Heated Backlite Relay. The BCM sets the OBDII code when the Heated Backlite Relay is not to factory specifications.

OBDII Code B1350 - Heated Backlite Relay Short To Ground - AutoCodes.com — B1350 Code - Heated Backlite Relay Short To Ground

What does this mean?

What are the Possible Causes of the DTC B1350?

Faulty Heated Backlite Relay
Heated Backlite Relay harness is open or shorted
Heated Backlite Relay circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1350?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1350 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1350 code?

Need more information on how to fix the B1350 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1350 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1350 Acura — Communication Bus Line Error
B1350 Honda — Communication Bus Line Error
B1350 Infiniti — Front Door Satellite Sensors Left/Right Out Specifications
B1350 Nissan — Front Door Satellite Sensors Left/Right Out Specifications

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1350 Code

1. What are the common symptoms of OBDII code B1350 (Heated Backlite Relay Short To Ground)?

- The common symptoms include a malfunctioning rear defroster, inoperative heated backlite, and possibly a blown fuse.

2. What are the possible causes of OBDII code B1350?

- The code B1350 may be triggered by a short to ground in the wiring, a faulty heated backlite relay, or a damaged rear defroster grid.

3. How can I diagnose the cause of OBDII code B1350?

- A thorough visual inspection of the rear defroster components, checking the wiring for shorts, and testing the heated backlite relay with a multimeter can help diagnose the issue.

4. Can I drive my vehicle with OBDII code B1350?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure proper operation of the rear defroster.

5. How can I repair OBDII code B1350 (Heated Backlite Relay Short To Ground)?

- Repair options may include repairing the damaged wiring, replacing the heated backlite relay, or repairing the rear defroster grid if necessary.

6. Is it possible to reset OBDII code B1350 without repairs?

- Resetting the code without addressing the underlying issue will likely result in it reappearing. It is recommended to diagnose and repair the problem first.

7. Can extreme weather conditions cause OBDII code B1350 to trigger?

- Yes, extreme temperature changes or physical damage to the rear defroster components due to weather conditions can potentially trigger the B1350 code.

8. Are there any preventive measures to avoid OBDII code B1350 in the future?

- Regularly inspecting the rear defroster components, avoiding physical damage, and ensuring proper wiring connections can help prevent the recurrence of this code.

9. How long does it typically take to repair OBDII code B1350?

- The repair time for this code can vary depending on the extent of the damage and the availability of replacement parts, but it is generally a relatively quick fix.

10. Can a DIY enthusiast repair OBDII code B1350, or should it be done by a professional?

- Depending on the individual's skill level and knowledge of automotive electrical systems, a DIY enthusiast may be able to repair this code. However, if unsure, it is recommended to seek professional assistance.