P1244 1999 Ford F150 Code - Alternator Load Input Failed High
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
- P1244 1999 Ford F150 indicates Alternator Load Input Failed High.
- 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 P1244 1999 Ford F150 Description
What are the Possible Causes of the DTC P1244 1999 Ford F150?
- 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 P1244 1999 Ford F150?
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 P1244 1999 Ford F150 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 P1244 1999 Ford F150 Code
1. What does the OBDII code P1244 mean on a 1999 Ford F150?
P1244 indicates the Alternator Load Input signal is higher than expected, suggesting an issue with the alternator load sensing circuit.
2. What are the symptoms of code P1244 on a 1999 Ford F150?
Common symptoms include a lit check engine light, fluctuating battery voltage, dimming or flickering lights, and potential charging system issues.
3. What causes code P1244 on a 1999 Ford F150?
Possible causes include a faulty alternator, damaged wiring or connectors in the alternator load circuit, or a malfunctioning Powertrain Control Module (PCM).
4. Can I still drive my 1999 Ford F150 with code P1244?
While the truck may still drive, ignoring the issue can lead to battery charging problems or electrical failures, so it’s best to address it promptly.
5. How do I diagnose code P1244 on a 1999 Ford F150?
Start by inspecting the alternator, wiring, and connectors for damage or corrosion. Then, use a multimeter to check voltage and continuity in the alternator load circuit.
6. Is the alternator always the problem with code P1244?
Not necessarily. While a faulty alternator is a common cause, the issue could also stem from wiring faults or a PCM malfunction.
7. How much does it cost to fix code P1244 on a 1999 Ford F150?
Repair costs vary. Replacing an alternator may cost $300–$600, while fixing wiring issues is typically less expensive but depends on labor rates.
8. Can a weak or failing battery trigger code P1244?
A weak battery is unlikely to directly cause P1244, but it can exacerbate charging system issues. Testing the battery is a good idea during diagnosis.
9. Will clearing the code fix P1244 on a 1999 Ford F150?
Clearing the code without addressing the root cause will only temporarily turn off the check engine light. The code will return if the issue persists.
10. Should I replace the PCM if code P1244 appears?
Replacing the PCM should be a last resort after confirming that the alternator, wiring, and other components are functioning properly.
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