P1244 Mazda Code - Alternator Load Input Failed High
Quick Answer
The Powertrain Control Module (PCM) monitors the circuit, and will set the code when the input is not within a calibrated limit for a calibrated amount of time. 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 Mazda 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 Mazda Description
What are the Possible Causes of the DTC P1244 Mazda?
- Faulty Alternator/Generator
- Alternator/Generator harness is open or shorted
- Alternator/Generator circuit poor electrical connection
How to Fix the DTC P1244 Mazda?
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 Mazda 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 Mazda Code
1. What does the OBDII code P1244 mean for a Mazda?
P1244 indicates that the alternator load input has failed high, meaning the vehicle’s ECU detected an abnormal voltage signal from the alternator load circuit.
2. What are the common symptoms of the P1244 code in a Mazda?
Symptoms may include the check engine light illuminating, electrical system malfunctions, battery charging issues, or dimming headlights.
3. What causes the P1244 code on a Mazda?
Common causes include a faulty alternator, damaged wiring or connectors in the alternator circuit, or a malfunctioning ECU.
4. Can a bad alternator trigger the P1244 code?
Yes, a malfunctioning alternator can cause the ECU to detect a high input voltage from the alternator load circuit, triggering the P1244 code.
5. How can you diagnose the P1244 code on a Mazda?
Start by inspecting the alternator, wiring, and connectors for damage or corrosion. Use a multimeter to check voltage and continuity in the alternator circuit.
6. What repairs are typically needed to fix the P1244 code?
Repairs may include replacing the alternator, fixing damaged wiring, cleaning or replacing corroded connectors, or reprogramming the ECU.
7. Can driving with the P1244 code cause further damage to my Mazda?
Yes, ignoring this code may lead to battery drainage or electrical system failure, potentially stranding the vehicle.
8. How much does it usually cost to fix the P1244 code on a Mazda?
Repair costs vary, but alternator replacement typically ranges from $300 to $500, while minor wiring repairs may cost less.
9. Does the P1244 code affect vehicle performance?
It can cause electrical issues that may indirectly affect performance, such as dim headlights or malfunctioning accessories.
10. Is it safe to drive with the P1244 code active on my Mazda?
While the vehicle may still run, it’s not recommended to drive for long periods as electrical system failure could occur.
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