B1317 Ford Code - Battery Voltage High
Quick Answer
With the engine running, the charging system supplies voltage to the battery and the vehicle electrical system through the battery B+ cable. Common causes include Battery defective, Loose or missing alternator drive belt, Faulty Alternator. 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
- B1317 Ford indicates Battery Voltage High.
- Common causes
- Common causes include Battery defective, Loose or missing alternator drive belt, Faulty Alternator.
- 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 B1317 Ford Description
What are the Possible Causes of the DTC B1317 Ford?
- Battery defective
- Loose or missing alternator drive belt
- Faulty Alternator
- Alternator harness is open or shorted
- Alternator circuit poor electrical connection
- Faulty Powertrain Control Module (PCM)
How to Fix the DTC B1317 Ford?
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
B1317
Four-Wheel Antilock Brake (4WABS) Control Module: Antilock Brake System Problem
Generic Electronic Module (GEM): Battery Voltage High
B1318
Automatic Ride Control (ARC) Module: Suspension Control (Automatic - Electronic Level)
Generic Electronic Module (GEM): Battery Voltage Low
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1317 Ford 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 B1317 Ford Code
1. What does OBDII code B1317 mean on a Ford?
Code B1317 indicates that the battery voltage is higher than the acceptable range for the vehicle's electrical system.
2. What are the common symptoms of code B1317 in a Ford vehicle?
Symptoms may include warning lights on the dashboard, dimming or flickering lights, erratic electrical behavior, or potential alternator overheating.
3. What causes the B1317 Battery Voltage High code on a Ford?
The most common causes are a faulty alternator, a defective voltage regulator, loose or corroded battery connections, or a failing battery.
4. Can a bad alternator cause the B1317 code?
Yes, a malfunctioning alternator that overcharges the battery can trigger the B1317 code.
5. How do I fix the B1317 code on my Ford?
Start by inspecting the battery and alternator for proper function. Check for loose or corroded battery terminals, and replace the voltage regulator or alternator if necessary.
6. Can a weak battery trigger the B1317 code?
No, a weak battery typically causes low voltage issues, but poor connections or improper charging can lead to voltage irregularities that might contribute to the code.
7. Is it safe to drive with the B1317 code present?
Driving with this code is not recommended, as high voltage can damage sensitive electrical components in your vehicle.
8. How do I check for loose connections if I have the B1317 code?
Inspect the battery terminals, alternator connections, and ground points for corrosion, looseness, or damage, and clean or tighten them as needed.
9. Can a faulty voltage regulator alone cause the B1317 code?
Yes, a faulty voltage regulator can allow the alternator to overcharge, leading to excessively high battery voltage.
10. Will clearing the B1317 code fix the issue?
Clearing the code will remove the warning temporarily, but the underlying issue must be addressed to prevent the code from returning.
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