U0120 Ford Code - Lost Communication With Starter/Generator Control Module
Quick Answer
The U0120 code for Ford vehicles indicates a communication error between the onboard computer system and the starter/generator control module. Common causes include Faulty wiring or connectors, Defective starter/generator control module, Software issues within the onboard computer system. 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
- U0120 Ford indicates Lost Communication With Starter/Generator Control Module.
- Common causes
- Common causes include Faulty wiring or connectors, Defective starter/generator control module, Software issues within the onboard computer system.
- 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 U0120 Ford Description
The U0120 code for Ford vehicles indicates a communication error between the onboard computer system and the starter/generator control module. The starter/generator control module is responsible for regulating the operation of the starter and generator in the vehicle. When communication is lost with this module, it can lead to issues with starting the vehicle, charging the battery, and overall electrical system performance.
Common Causes of U0120 Ford
- Faulty wiring or connectors
- Defective starter/generator control module
- Software issues within the onboard computer system
- Electrical interference or communication signal disruptions
- Water or moisture damage to electrical components
Symptoms of U0120 Ford
- Intermittent starting issues
- Inability to start the vehicle
- Poor charging of the battery
- Illumination of the check engine light
- Electrical system malfunctions
How to Fix U0120 Ford
- Diagnose the root cause of the communication error by using a diagnostic scanner to retrieve the specific fault codes.
- Inspect the wiring and connectors for any signs of damage, corrosion, or loose connections. Repair or replace as needed.
- Test the starter/generator control module for proper functionality and replace if found to be defective.
- Check for any software updates or reprogramming needed for the onboard computer system to resolve communication issues.
- Clear the fault codes from the vehicle's computer system and perform a test drive to ensure the issue has been resolved.
Cost to Fix U0120 Ford
The cost of repairing the U0120 code for lost communication with the starter/generator control module 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 $500, including parts and labor. Keep in mind that diagnostic time and labor rates can vary, so it's recommended to check with local auto repair shops for a more accurate estimate based on your vehicle make and model.
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Frequently Asked Questions about U0120 Ford Code
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Discuss the causes and fixes for U0120 Ford OBDII Code
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witam mam tak? awarj? w ford fiesta 2012r,, ?wieci si? kontrolka od ?adowania instalacja zosta?a sprawdzona ?adowanie jest prawid?owe co mog? jeszcze sprawdzi??
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