B1345 Code - Heated Backlite Input Circuit Short to Ground
Quick Answer
The B1345 code indicates that there is a short to ground in the heated backlite input circuit. Common causes include Faulty wiring in the heated backlite input circuit, Short circuit in the wiring harness, Corrosion or damage to the wiring connectors. 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
- B1345 indicates Heated Backlite Input Circuit Short to Ground.
- Common causes
- Common causes include Faulty wiring in the heated backlite input circuit, Short circuit in the wiring harness, Corrosion or damage to the wiring connectors.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code B1345 Description
The B1345 code indicates that there is a short to ground in the heated backlite input circuit. The heated backlite, also known as the rear window defroster, is a feature in vehicles that helps to defog or defrost the rear window. When this circuit is shorted to ground, it can prevent the rear window defroster from functioning properly. This can lead to reduced visibility through the rear window, especially in cold or humid conditions.
Common Causes of B1345
- Faulty wiring in the heated backlite input circuit
- Short circuit in the wiring harness
- Corrosion or damage to the wiring connectors
- Defective rear window defroster switch
- Faulty rear window defroster grid
Symptoms of B1345
- Rear window defroster not working
- Rear window fogging up easily
- Fuse for rear window defroster blowing frequently
- Rear window defroster only working intermittently
- Dashboard warning light indicating an issue with the rear window defroster
How to Fix B1345
- Begin by inspecting the wiring harness and connectors for any visible damage or corrosion. Repair or replace any damaged components.
- Check the rear window defroster switch for proper functionality. Replace if necessary.
- Test the rear window defroster grid for continuity and repair any breaks or damage.
- Clear the code from the vehicle's computer using a diagnostic scanner.
- Test the rear window defroster to ensure that it is functioning properly after the repair.
Cost to Fix B1345
The cost of repairing a B1345 code can vary depending on the specific cause of the issue and the make and model of the vehicle. In general, the cost of parts for this repair could range from $50 to $200, while labor costs could range from $100 to $300. Overall, the total cost of repairing a B1345 code could be anywhere from $150 to $500. It is recommended to consult with a professional mechanic to get an accurate estimate for your specific vehicle.
Need more information about the B1345 code?
Need more information on how to fix the B1345 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1345 code diagnosed by a professional: Find a repair shop in your area
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
Frequently Asked Questions about B1345 Code
1. What are common symptoms of OBDII code B1345 (Heated Backlite Input Circuit Short to Ground)?
Common symptoms include a non-functioning rear window defroster, blown fuse related to the heated backlite circuit, and in some cases, the rear window defroster turning on by itself.
2. What are the possible causes of OBDII code B1345?
Possible causes of this code include damaged wiring in the heated backlite circuit, a faulty rear window defroster switch, a short circuit to ground in the circuit, or a defective heated backlite grid.
3. How can I diagnose the cause of OBDII code B1345?
A thorough visual inspection of the wiring and components in the heated backlite circuit is recommended. Using a multimeter to test for continuity and shorts in the circuit can help pinpoint the issue. Additionally, checking the rear window defroster switch and grid for proper function is essential.
4. Can I drive my vehicle with OBDII code B1345?
While driving with this code may not pose an immediate safety risk, it is recommended to address the issue promptly to ensure the proper function of your rear window defroster, especially in cold or foggy conditions.
5. How can I repair OBDII code B1345?
Repairing this code may involve repairing or replacing damaged wiring, fixing a short circuit in the circuit, replacing a faulty rear window defroster switch, or repairing the heated backlite grid. It is advisable to consult a professional mechanic for accurate diagnosis and repair.
6. Will resetting the OBDII code B1345 make it go away permanently?
Resetting the code may temporarily clear the error code, but if the underlying issue causing the code is not addressed, it is likely to reoccur. It is important to diagnose and repair the root cause of the code for a permanent solution.
7. Can extreme weather conditions contribute to OBDII code B1345?
Yes, extreme temperatures or weather conditions can sometimes exacerbate issues with the heated backlite circuit, leading to the triggering of OBDII code B1345. Proper maintenance and care during such conditions are advisable.
8. Is OBDII code B1345 a serious issue that requires immediate attention?
While OBDII code B1345 is not an emergency situation, addressing the issue in a timely manner is recommended to ensure the proper function of your rear window defroster, especially in inclement weather conditions.
9. Can a DIY enthusiast repair OBDII code B1345 at home?
Depending on your skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair OBDII code B1345 at home. However, due to the complexity of electrical systems in modern vehicles, consulting a professional mechanic is advisable for accurate diagnosis and repair.
10. How much can I expect to pay to repair OBDII code B1345 at a repair shop?
The cost of repairing OBDII code B1345 can vary depending on the underlying issue causing the code, the labor rates of the repair shop, and the cost of any necessary parts. It is recommended to obtain quotes from different repair shops for an accurate estimate.
Discuss the causes and fixes for B1345 OBDII Code
Code B1345 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.