P1312 Hyundai Code - Ignition Control Module Circuit 2
Quick Answer
P1312 Hyundai indicates Ignition Control Module Circuit 2. Common causes include Faulty Injection Control Module, Injection Control Module harness is open or shorted, Injection Control Module 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
- P1312 Hyundai indicates Ignition Control Module Circuit 2.
- Common causes
- Common causes include Faulty Injection Control Module, Injection Control Module harness is open or shorted, Injection Control Module 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 P1312 Hyundai Description
What are the Possible Causes of the DTC P1312 Hyundai?
- Faulty Injection Control Module
- Injection Control Module harness is open or shorted
- Injection Control Module circuit poor electrical connection
- Faulty Engine Control module (ECM)
How to Fix the DTC P1312 Hyundai?
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 P1312 Hyundai 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 P1312 Hyundai Code
1. What does the OBDII code P1312 mean on a Hyundai?
P1312 indicates a fault in the Ignition Control Module Circuit 2, which is responsible for managing spark timing for proper engine performance.
2. What are the common symptoms of code P1312 in a Hyundai?
Common symptoms include engine misfires, rough idling, reduced fuel efficiency, difficulty starting, and possible illumination of the Check Engine Light.
3. What causes the P1312 code to appear on a Hyundai?
Causes may include a faulty ignition control module, damaged wiring or connectors in Circuit 2, a defective spark plug, or a malfunctioning ignition coil.
4. Can driving with code P1312 damage my Hyundai’s engine?
Yes, prolonged driving with this code can cause engine misfires, which could lead to further damage to the catalytic converter or other engine components.
5. How do I diagnose the P1312 code on my Hyundai?
Check the ignition control module and related wiring for damage or loose connections, inspect the spark plugs and ignition coils, and use a multimeter to test circuit continuity.
6. How can I fix the P1312 code on a Hyundai?
Repairs may involve replacing the ignition control module, fixing damaged wiring or connectors, or replacing faulty spark plugs and ignition coils.
7. How much does it cost to repair the P1312 code on a Hyundai?
Repair costs vary depending on the issue, but replacing an ignition control module typically ranges from $150 to $400, including parts and labor.
8. Can a bad battery or alternator cause the P1312 code in a Hyundai?
While unlikely, a weak battery or failing alternator can cause electrical issues that might trigger ignition circuit problems. Testing the charging system is a good precaution.
9. Will clearing the P1312 code with a scanner fix the problem?
Clearing the code with a scanner will turn off the Check Engine Light temporarily, but it won’t fix the underlying issue causing the code.
10. Is the P1312 code specific to Hyundai vehicles?
No, the P1312 code can appear on other vehicles, but its meaning and diagnostic procedures may vary depending on the make and model.
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