P1245 2000 Ford F150 Code - Alternator Load Input Failed Low
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, Broken Alternator Belt, Alternator/Generator 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
- P1245 2000 Ford F150 indicates Alternator Load Input Failed Low.
- Common causes
- Common causes include Faulty Alternator/Generator, Broken Alternator Belt, Alternator/Generator 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 P1245 2000 Ford F150 Description
What are the Possible Causes of the DTC P1245 2000 Ford F150?
- Faulty Alternator/Generator
- Broken Alternator Belt
- Alternator/Generator harness is open or shorted
- Alternator/Generator circuit poor electrical connection
- Damaged Powertrain Control Module (PCM)
How to Fix the DTC P1245 2000 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 P1245 2000 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 P1245 2000 Ford F150 Code
What does the OBDII code P1245 mean on a 2000 Ford F150?
1. P1245 indicates that the Powertrain Control Module (PCM) has detected a low or missing signal from the alternator load input circuit, which monitors alternator performance. 2.
What are the symptoms of a P1245 code in a 2000 Ford F150?
Common symptoms include dim or flickering headlights, a weak or dead battery, trouble starting the engine, and the check engine light being illuminated. 3.
What causes the P1245 code in a 2000 Ford F150?
The most common causes are a faulty alternator, damaged or corroded wiring in the alternator load input circuit, a failed PCM, or a defective battery. 4.
Can a bad alternator cause the P1245 code?
Yes, a malfunctioning alternator can fail to send the correct load signal to the PCM, triggering the P1245 code. 5.
How can I diagnose the P1245 code on a 2000 Ford F150?
Start by checking the alternator’s performance, inspecting wiring and connections for damage or corrosion, and testing the battery. If these components are fine, the PCM may need to be evaluated. 6.
Is it safe to drive a 2000 Ford F150 with a P1245 code?
Driving with this code is not recommended, as it can lead to electrical system failure, a drained battery, or the vehicle stalling unexpectedly. 7.
How do I fix the P1245 code on a 2000 Ford F150?
Repairs may include replacing the alternator, repairing damaged wiring or connectors, cleaning corrosion, charging or replacing the battery, or reprogramming the PCM if necessary. 8.
How much does it cost to fix a P1245 code?
Repair costs vary depending on the issue. Alternator replacement typically costs $400–$800, while wiring repairs or battery replacements may be less expensive. 9.
Can a dead battery trigger the P1245 code?
Yes, a dead or failing battery can contribute to this code if it disrupts the alternator’s ability to supply proper voltage to the PCM. 10.
Does the P1245 code always mean the alternator is bad?
No, while the alternator is a common culprit, the issue could also stem from damaged wiring, a bad battery, or a malfunctioning PCM.
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