B1517 Buick Code - Battery Voltage Low Or High
Quick Answer
The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Low or High Battery Voltage, Faulty Control Module, Control Module harness is open or shorted. 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
- B1517 Buick indicates Battery Voltage Low Or High.
- Common causes
- Common causes include Low or High Battery Voltage, Faulty Control Module, Control Module harness is open or shorted.
- 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 B1517 Buick Description
What are the Possible Causes of the DTC B1517 Buick?
- Low or High Battery Voltage
- Faulty Control Module
- Control Module harness is open or shorted
- Control Module circuit poor electrical connection
How to Fix the DTC B1517 Buick?
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.
Code Tech Notes
- B1517 07: Battery Voltage High Voltage
- B1517 5A : Battery Voltage Not Plausible
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1517 Buick 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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Frequently Asked Questions about B1517 Buick Code
1. What does the OBDII code B1517 mean on a Buick?
B1517 indicates that the vehicle's electrical system has detected the battery voltage is either too low or too high, which can affect proper functionality.
2. What are common symptoms of code B1517 in a Buick?
Symptoms may include dim or flickering interior and exterior lights, trouble starting the vehicle, erratic electrical behavior, or a battery warning light on the dashboard.
3. What causes the B1517 code to trigger?
Common causes include a failing alternator, a weak or overcharged battery, corroded battery terminals, loose connections, or a faulty voltage regulator.
4. Can I drive my Buick with the B1517 code active?
Driving with this code is not recommended, as electrical system issues could lead to a complete loss of power or damage to sensitive components.
5. How do I diagnose the B1517 code on my Buick?
Start by checking the battery voltage with a multimeter, inspect battery terminals and cables for corrosion or looseness, and test the alternator's output to ensure proper charging.
6. How can I fix the B1517 code on my Buick?
Repairs may include cleaning or tightening battery terminals, replacing the battery or alternator, repairing wiring issues, or replacing a faulty voltage regulator.
7. Can a bad alternator cause the B1517 code?
Yes, a malfunctioning alternator can cause either overcharging or undercharging, leading to the B1517 code.
8. What voltage range should my Buick’s battery and alternator maintain?
The battery should typically stay between 12.4V and 12.9V when the car is off, and the alternator should maintain 13.5V to 14.7V while the engine is running.
9. Will clearing the B1517 code fix the problem permanently?
No, clearing the code without addressing the underlying issue will only temporarily remove the warning, and the code is likely to return.
10. Can extreme weather conditions cause the B1517 code?
Yes, extreme cold or heat can strain the battery or alternator, potentially causing voltage issues and triggering the code.
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