P1379 Code - Fuel Injection Control Module Circuit High Voltage
Quick Answer
The P1379 code indicates a problem with the Fuel Injection Control Module (FICM) circuit having high voltage. Common causes include Wiring issues or shorts in the FICM circuit, Faulty Fuel Injection Control Module (FICM), Defective fuel injector. 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
- P1379 indicates Fuel Injection Control Module Circuit High Voltage.
- Common causes
- Common causes include Wiring issues or shorts in the FICM circuit, Faulty Fuel Injection Control Module (FICM), Defective fuel injector.
- 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 P1379 Description
The P1379 code indicates a problem with the Fuel Injection Control Module (FICM) circuit having high voltage. The FICM is a crucial component in the vehicle's fuel injection system, responsible for controlling the amount of fuel delivered to the engine. When the voltage in the FICM circuit is higher than expected, it can lead to various performance issues in the vehicle.
Common Causes of P1379
- Wiring issues or shorts in the FICM circuit
- Faulty Fuel Injection Control Module (FICM)
- Defective fuel injector
- Problem with the Engine Control Module (ECM)
- Corrosion or damage to electrical connectors
Symptoms of P1379
- Rough engine idle
- Engine misfires
- Lack of power or acceleration
- Poor fuel efficiency
- Difficulty starting or stalling
How to Fix P1379
- Diagnose the issue using a scan tool to confirm the P1379 code and identify the specific cause of the high voltage in the FICM circuit.
- Inspect the wiring and connectors in the FICM circuit for any signs of damage, corrosion, or shorts.
- Test the Fuel Injection Control Module (FICM) to determine if it is functioning properly or needs to be replaced.
- Check the fuel injectors for any faults or clogs that may be contributing to the high voltage in the FICM circuit.
- Clear the trouble code after completing the repair and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1379
The cost of repairing a P1379 code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair costs for this issue can range from $200 to $600, including parts and labor. It's important to note that additional diagnostic time may be needed to accurately diagnose the problem, and labor rates at auto repair shops can vary. It's recommended to obtain a detailed estimate from a qualified technician before proceeding with the repair.
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Code P1379 Information for Specific Makes
- P1379 Ford — Fuel Injection Control Module Circuit High Voltage
Frequently Asked Questions about P1379 Code
1. What are the common symptoms of OBDII code P1379 - Fuel Injection Control Module Circuit High Voltage?
- Common symptoms include engine misfires, rough idling, poor acceleration, and a decrease in fuel efficiency.
2. What are the possible causes of OBDII code P1379?
- The code P1379 can be triggered by issues such as a faulty fuel injection control module, damaged wiring or connectors, or a malfunctioning engine control unit (ECU).
3. How can I diagnose OBDII code P1379?
- Diagnosing code P1379 typically involves using an OBDII scanner to retrieve the code, performing a visual inspection of related components, and conducting tests on the fuel injection control module circuit.
4. Is it safe to continue driving with OBDII code P1379 active?
- It is not recommended to continue driving with code P1379 active, as it can lead to further damage to the engine and fuel system components.
5. How can I repair OBDII code P1379?
- Repairing code P1379 may involve replacing the fuel injection control module, repairing damaged wiring or connectors, or reprogramming the engine control unit (ECU) to resolve the high voltage issue.
6. Can a DIY enthusiast fix OBDII code P1379?
- While some aspects of diagnosing and repairing code P1379 may be attempted by DIY enthusiasts, it is recommended to seek professional help, especially when dealing with complex electrical systems.
7. What are the potential risks of ignoring OBDII code P1379?
- Ignoring code P1379 can lead to engine performance issues, increased fuel consumption, and potential damage to other engine components over time.
8. How much does it typically cost to fix OBDII code P1379?
- The cost of fixing code P1379 can vary depending on the underlying cause and the specific components that need to be replaced or repaired. It is recommended to consult a mechanic for an accurate estimate.
9. Can a disconnected or loose battery cause OBDII code P1379 to appear?
- Yes, a disconnected or loose battery connection can sometimes trigger code P1379 due to disruptions in the electrical system. It is advisable to check and ensure the battery connections are secure.
10. Will resetting the OBDII system clear code P1379 permanently?
- Resetting the OBDII system may temporarily clear code P1379, but if the underlying issue is not addressed, the code is likely to reappear. It is crucial to diagnose and fix the root cause of the problem.
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