B1792 Code - Autolamp Sensor Input Circuit Short to Battery
Quick Answer
With the headlamp switch turned to the AUTOLAMPS ON position, a battery voltage signal is sent to the Vehicle Security Module (VSM). Common causes include Faulty Autolamp Sensor, Autolamp Sensor harness is open or shorted, Autolamp Sensor 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
- B1792 indicates Autolamp Sensor Input Circuit Short to Battery.
- Common causes
- Common causes include Faulty Autolamp Sensor, Autolamp Sensor harness is open or shorted, Autolamp Sensor 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.
Code B1792 Description
What are the Possible Causes of the DTC B1792?
- Faulty Autolamp Sensor
- Autolamp Sensor harness is open or shorted
- Autolamp Sensor circuit poor electrical connection
- Faulty Headlamp Switch
- Faulty Vehicle Security Module (VSM)
How to Fix the DTC B1792?
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 B1792 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.
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Information for Specific Makes
- B1792 Ford — Autolamp Sensor Input Circuit Short to Battery
- B1792 Lincoln — Autolamp Sensor Input Circuit Short to Battery
Frequently Asked Questions about B1792 Code
1. What are the common symptoms of OBDII code B1792 (Autolamp Sensor Input Circuit Short to Battery)?
The common symptoms of code B1792 include malfunctioning automatic headlights, inaccurate light sensor readings, and illuminated dashboard warning lights.
2. What can cause the Autolamp Sensor Input Circuit Short to Battery fault code B1792?
The B1792 code is typically triggered by a short circuit in the wiring, a faulty light sensor, or a malfunctioning autolamp control module.
3. How can I diagnose the Autolamp Sensor Input Circuit Short to Battery issue related to code B1792?
To diagnose the B1792 code, you should inspect the wiring for any signs of damage, test the light sensor for proper functionality, and scan the autolamp control module for fault codes.
4. Is it safe to continue driving with OBDII code B1792 (Autolamp Sensor Input Circuit Short to Battery)?
Continuing to drive with the B1792 code may result in unreliable automatic lighting control, so it is recommended to address the issue promptly to ensure proper visibility and safety on the road.
5. Can I repair the Autolamp Sensor Input Circuit Short to Battery problem associated with code B1792 myself?
If you have automotive repair experience and the necessary tools, you may be able to repair the B1792 code by replacing the faulty wiring, light sensor, or autolamp control module. However, professional assistance is recommended for complex electrical issues.
6. How much does it typically cost to fix OBDII code B1792 (Autolamp Sensor Input Circuit Short to Battery)?
The cost of repairing the B1792 code can vary depending on the root cause of the issue, the extent of the damage, and the labor rates of the repair shop. It is advisable to obtain multiple quotes from certified mechanics.
7. Will resetting the OBDII code B1792 resolve the Autolamp Sensor Input Circuit Short to Battery problem?
Simply clearing the B1792 code without addressing the underlying issue will not fix the Autolamp Sensor Input Circuit Short to Battery problem. It is crucial to diagnose and repair the root cause of the fault code for a lasting solution.
8. How can I prevent OBDII code B1792 (Autolamp Sensor Input Circuit Short to Battery) from recurring?
To prevent the B1792 code from recurring, ensure proper maintenance of the autolamp system, regularly inspect the wiring for damage, and promptly address any lighting issues to prevent further damage.
9. Are there any safety implications associated with OBDII code B1792 (Autolamp Sensor Input Circuit Short to Battery)?
The B1792 code may affect the automatic lighting system, potentially compromising visibility and safety while driving, especially at night or in low-light conditions. It is important to address this issue promptly.
10. Can extreme weather conditions affect the triggering of OBDII code B1792 (Autolamp Sensor Input Circuit Short to Battery)?
Extreme weather conditions, such as heavy rain or snow, may impact the performance of the autolamp system and contribute to the triggering of the B1792 code. Regular maintenance and inspection are crucial for optimal functionality in diverse weather conditions.
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