P1246 Lincoln Code - Alternator Load Input Failed
Quick Answer
When the diagnostic trouble code P1246 appears on a Lincoln vehicle, it indicates that the alternator load input has failed. Common causes include Faulty alternator, Worn-out alternator belt, Malfunctioning voltage regulator. 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 Lincoln indicates Alternator Load Input Failed.
- Common causes
- Common causes include Faulty alternator, Worn-out alternator belt, Malfunctioning voltage regulator.
- 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.
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Code P1246 Lincoln Description
When the diagnostic trouble code P1246 appears on a Lincoln vehicle, it indicates that the alternator load input has failed. The alternator is a crucial component of the vehicle's charging system, responsible for converting mechanical energy into electrical energy to power the vehicle's electrical systems and recharge the battery. The load input refers to the amount of electrical load or demand placed on the alternator by the vehicle's electrical systems.
Common Causes of P1246 Lincoln
- Faulty alternator
- Worn-out alternator belt
- Malfunctioning voltage regulator
- Loose or corroded electrical connections
- Excessive electrical load from aftermarket accessories
Symptoms of P1246 Lincoln
- Dim or flickering headlights
- Battery warning light illuminated on the dashboard
- Difficulty starting the vehicle
- Electrical system malfunctions (e.g., radio cutting out, power windows not working)
- Engine stalling or running rough
How to Fix P1246 Lincoln
- Perform a thorough inspection of the alternator, alternator belt, voltage regulator, and electrical connections to identify the root cause of the issue.
- Replace the faulty alternator or alternator belt if necessary.
- Test and, if required, replace the voltage regulator to ensure proper charging system operation.
- Tighten or clean any loose or corroded electrical connections to ensure a reliable electrical connection.
- Test the vehicle to verify that the alternator load input failure has been resolved and that the charging system is functioning correctly.
Cost to Fix P1246 Lincoln
The cost of repairing an alternator load input failure can vary depending on the specific cause of the issue and the cost of parts and labor. On average, the repair for this issue can range from $200 to $600, including parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to contact local repair shops for a more accurate estimate based on your specific circumstances.
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Frequently Asked Questions about P1246 Lincoln Code
No Frequently Asked Questions about P1246 Lincoln Code found.
Discuss the causes and fixes for P1246 Lincoln OBDII Code
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My 02 Lincoln LS 3.9 when I crank it up in the morning it accelerate and drives find but after so long it won't accelerate it sputters bad but if I drive it really slow it doesn't give man problems so can someone tell me what is causing this
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If you have all those symptoms and the P1246 code, then it is most likely that the problem is the alternator. You should start by checking the battery and alternator charge.
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