P1820 Ford Code - Transmission Transfer Case Clockwise Shift Relay Coil Circuit Failure
Quick Answer
The P1820 Ford code indicates a Transmission Transfer Case Clockwise Shift Relay Coil Circuit Failure. Common causes include Faulty transfer case shift relay coil, Wiring issues in the relay coil circuit, Corrosion or damage to electrical connectors related to the relay coil. 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
- P1820 Ford indicates Transmission Transfer Case Clockwise Shift Relay Coil Circuit Failure.
- Common causes
- Common causes include Faulty transfer case shift relay coil, Wiring issues in the relay coil circuit, Corrosion or damage to electrical connectors related to the relay coil.
- 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 P1820 Ford Description
The P1820 Ford code indicates a Transmission Transfer Case Clockwise Shift Relay Coil Circuit Failure. In simpler terms, this means that there is an issue with the relay coil circuit responsible for shifting the transfer case in a clockwise direction. The transfer case is a crucial component in four-wheel drive and all-wheel drive vehicles, as it transfers power from the transmission to the front and rear axles.
Common Causes of P1820 Ford
- Faulty transfer case shift relay coil.
- Wiring issues in the relay coil circuit.
- Corrosion or damage to electrical connectors related to the relay coil.
- Issues with the transfer case control module.
- Electrical system malfunctions affecting the relay coil circuit.
Symptoms of P1820 Ford
- Difficulty shifting into four-wheel drive or different drive modes.
- Illumination of the 4WD warning light on the dashboard.
- Unusual noises coming from the transfer case area.
- Vehicle going into fail-safe mode.
- Decreased traction and control in challenging road conditions.
How to Fix P1820 Ford
- Diagnose the specific cause of the P1820 Ford code using a diagnostic scanner to pinpoint the exact issue with the relay coil circuit.
- Inspect the relay coil and wiring for any damage or corrosion, repairing or replacing as necessary.
- Check the electrical connectors related to the relay coil and ensure they are clean and securely connected.
- Test the transfer case control module to determine if it is functioning properly, replacing if needed.
- Clear the code from the vehicle's computer system and test the vehicle to ensure the issue has been resolved.
Cost to Fix P1820 Ford
The typical repair costs for addressing a Transmission Transfer Case Clockwise Shift Relay Coil Circuit Failure can vary depending on the specific cause of the issue and the labor rates of the repair shop. On average, the parts for this repair may range from $100 to $300, while the labor costs can be between $150 to $300. Overall, the total cost for resolving this issue could range from $250 to $600. It is advisable to obtain quotes from local repair shops to get a more accurate estimate based on your vehicle's make and model. Additionally, factors such as location and shop rates can influence the final cost of the repair.
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Frequently Asked Questions about P1820 Ford Code
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