C1979 Mercury Code - IWE Solenoid Circuit Failure
Quick Answer
The C1979 diagnostic trouble code for Mercury vehicles indicates an IWE (Integrated Wheel End) solenoid circuit failure. Common causes include Faulty IWE solenoid, Wiring issues in the solenoid circuit, Vacuum leak in the 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
- C1979 Mercury indicates IWE Solenoid Circuit Failure.
- Common causes
- Common causes include Faulty IWE solenoid, Wiring issues in the solenoid circuit, Vacuum leak in the 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 C1979 Mercury Description
The C1979 diagnostic trouble code for Mercury vehicles indicates an IWE (Integrated Wheel End) solenoid circuit failure. The IWE system is responsible for engaging and disengaging the front wheel hubs in four-wheel-drive vehicles, allowing the wheels to be locked or unlocked as needed. When the IWE solenoid circuit fails, it can lead to issues with the engagement of the front wheels, affecting the vehicle's four-wheel-drive capability.
Common Causes of C1979 Mercury
- Faulty IWE solenoid
- Wiring issues in the solenoid circuit
- Vacuum leak in the system
- Defective front wheel hub components
- Water or debris contamination in the IWE system
Symptoms of C1979 Mercury
- Difficulty engaging or disengaging four-wheel drive
- Grinding or clicking noises coming from the front wheel hubs
- Illumination of the four-wheel-drive warning light on the dashboard
- Reduced traction or stability in slippery conditions
- Increased fuel consumption
How to Fix C1979 Mercury
- Diagnose the issue by checking the electrical connections and vacuum lines in the IWE system.
- Test the IWE solenoid for proper functionality using a multimeter.
- Replace the faulty solenoid or repair any damaged wiring in the circuit.
- Inspect the front wheel hub components for wear or damage and replace if necessary.
- Flush and clean the IWE system to remove any contaminants that may be affecting its operation.
Cost to Fix C1979 Mercury
The typical cost to repair a C1979 IWE Solenoid Circuit Failure on a Mercury vehicle can range from $200 to $500, including parts and labor. However, actual repair costs may vary depending on the specific model of the vehicle, the location of the repair shop, and the extent of the damage. It is recommended to get a detailed estimate from a qualified mechanic before proceeding with the repair.
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Frequently Asked Questions about C1979 Mercury Code
What does the OBDII code C1979 indicate for a Mercury vehicle?
The OBDII code C1979 indicates an IWE (Integrated Wheel End) solenoid circuit failure, which affects the operation of the four-wheel drive system.
What are the common symptoms associated with the C1979 code?
Common symptoms include a malfunctioning four-wheel drive system, warning lights on the dashboard, unusual noises from the front wheels, or a decrease in vehicle performance when attempting to engage four-wheel drive.
What could cause the C1979 code to trigger?
Possible causes include a faulty IWE solenoid, damaged wiring or connectors in the solenoid circuit, or issues with the vehicle's control module.
How can I diagnose the issue related to the C1979 code?
To diagnose the C1979 code, use an OBDII scanner to confirm the code, visually inspect the IWE solenoid wiring and connectors for damage, and test the solenoid's functionality with a multimeter.
What repair options are available for fixing the C1979 code?
Repair options may include replacing the faulty IWE solenoid, repairing or replacing damaged wiring and connectors, or reprogramming or replacing the control module if it is determined to be faulty.
Can I drive my vehicle with the C1979 code present?
While it may be possible to drive the vehicle, it is not recommended, as the four-wheel drive system may not function properly, which could lead to safety issues in certain driving conditions.
How much does it typically cost to repair the issue associated with the C1979 code?
Repair costs can vary widely depending on the specific problem, but replacing the IWE solenoid generally ranges from $100 to $300, including parts and labor.
Is there a way to temporarily fix the issue related to the C1979 code?
A temporary fix might involve manually engaging the four-wheel drive system if accessible, but this is not a long-term solution, and the actual problem should be addressed.
What should I do if the C1979 code keeps recurring after repairs?
If the C1979 code keeps recurring, consider getting a professional diagnosis to check for other underlying issues such as electrical problems, incorrect installation of parts, or faults in the control module.
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