P1246 2011 Ford Fusion Code - Alternator Load Input Failed
Quick Answer
The Powertrain Control Module (PCM) monitors generator load from the generator/regulator in the form of frequency. Common causes include Faulty Alternator/Generator, Alternator/Generator harness is open or shorted, Alternator/Generator 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
- P1246 2011 Ford Fusion indicates Alternator Load Input Failed.
- Common causes
- Common causes include Faulty Alternator/Generator, Alternator/Generator harness is open or shorted, Alternator/Generator 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 P1246 2011 Ford Fusion Description
What are the Possible Causes of the DTC P1246 2011 Ford Fusion?
- Faulty Alternator/Generator
- Alternator/Generator harness is open or shorted
- Alternator/Generator circuit poor electrical connection
- Damaged Powertrain Control Module (PCM)
How to Fix the DTC P1246 2011 Ford Fusion?
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 P1246 2011 Ford Fusion 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 P1246 2011 Ford Fusion Code
1. What does the OBDII code P1246 mean on a 2011 Ford Fusion?
P1246 indicates a failure in the alternator load input circuit, which means the vehicle's PCM is not receiving a proper signal from the alternator about its load or operation.
2. What are the symptoms of code P1246 in a 2011 Ford Fusion?
Common symptoms include the battery warning light illuminating, electrical system malfunctions, dim or flickering lights, and possible engine stalling.
3. What causes the P1246 code to appear in a Ford Fusion?
The most common causes include a faulty alternator, damaged wiring or connectors in the alternator circuit, a failing PCM, or a weak or failing battery.
4. Can I drive my 2011 Ford Fusion with the P1246 code?
Driving with this code is not recommended as it could lead to electrical system failures, battery drainage, and potential engine stalling.
5. How do I diagnose the P1246 code on a Ford Fusion?
Start by inspecting the alternator and its wiring for damage or loose connections. Test the alternator's output and check the battery's charge level. Use a multimeter to verify continuity in the alternator load input circuit.
6. How is the P1246 code typically repaired?
Repairs may include replacing a faulty alternator, repairing or replacing damaged wiring or connectors, recharging or replacing the battery, or in rare cases, reprogramming or replacing the PCM.
7. Can a weak battery cause the P1246 code on a 2011 Ford Fusion?
Yes, a weak or failing battery can trigger this code because it can affect the alternator's ability to properly communicate with the PCM.
8. Is the alternator always the problem when P1246 is triggered?
No, while the alternator is a common cause, the issue could also stem from damaged wiring, a faulty battery, or a PCM malfunction.
9. What tools do I need to troubleshoot the P1246 code?
You’ll need a multimeter to test electrical continuity, a diagnostic scan tool to read live data from the alternator and PCM, and possibly a battery tester.
10. What happens if the P1246 code is ignored?
Ignoring this code can lead to battery failure, electrical system issues, and eventual engine stalling, which could leave you stranded.
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