P1378 Ford Code - Fuel Injection Control Module Circuit Low Voltage
Quick Answer
The P1378 Ford code indicates a problem with the Fuel Injection Control Module (FICM) circuit having low voltage. Common causes include Faulty Fuel Injection Control Module (FICM), Damaged wiring or connectors in the circuit, Weak battery or alternator. 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
- P1378 Ford indicates Fuel Injection Control Module Circuit Low Voltage.
- Common causes
- Common causes include Faulty Fuel Injection Control Module (FICM), Damaged wiring or connectors in the circuit, Weak battery or alternator.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1378 Ford Description
The P1378 Ford code indicates a problem with the Fuel Injection Control Module (FICM) circuit having low voltage. The FICM is a crucial component in the fuel injection system of the vehicle, responsible for controlling the fuel injectors and ensuring the proper amount of fuel is delivered to the engine for combustion. When the voltage is low in the FICM circuit, it can lead to a variety of performance issues in the vehicle.
Common Causes of P1378 Ford
- Faulty Fuel Injection Control Module (FICM)
- Damaged wiring or connectors in the circuit
- Weak battery or alternator
- Malfunctioning powertrain control module (PCM)
Symptoms of P1378 Ford
- Rough idling
- Misfiring
- Hesitation or loss of power during acceleration
- Decreased fuel efficiency
- Engine stalling
How to Fix P1378 Ford
- Begin by conducting a thorough inspection of the FICM circuit, checking for any visible damage to wiring or connectors.
- Test the battery and alternator to ensure they are providing the correct voltage to the FICM.
- If the wiring or connectors are damaged, repair or replace them as necessary.
- If the FICM is faulty, it may need to be replaced with a new unit.
- Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1378 Ford
The typical repair costs for addressing a P1378 Ford code can range from $200 to $800, depending on the specific cause of the issue and the cost of parts and labor. It is important to note that diagnosis time and labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate.
Need more information about the P1378 Ford code?
Need more information on how to fix the P1378 Ford code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1378 Ford code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1378 Ford Code
No Frequently Asked Questions about P1378 Ford Code found.
Discuss the causes and fixes for P1378 Ford OBDII Code
Code P1378 Ford comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.