P1855 Ford Code - Transmission Transfer Case Contact Plate 'C' Open Circuit
Quick Answer
The P1855 Ford diagnostic trouble code indicates that there is an open circuit in the transmission transfer case contact plate 'C'. Common causes include Faulty transmission transfer case contact plate 'C', Damaged wiring or connectors in the transfer case system, Corrosion or poor electrical connections in the contact plate circuit. 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
- P1855 Ford indicates Transmission Transfer Case Contact Plate 'C' Open Circuit.
- Common causes
- Common causes include Faulty transmission transfer case contact plate 'C', Damaged wiring or connectors in the transfer case system, Corrosion or poor electrical connections in the contact plate circuit.
- 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 P1855 Ford Description
The P1855 Ford diagnostic trouble code indicates that there is an open circuit in the transmission transfer case contact plate 'C'. This contact plate is a crucial component in the transfer case system, responsible for transferring power from the transmission to the front and rear axles. An open circuit in this contact plate can disrupt the communication between the transmission control module and the transfer case, leading to issues with shifting between 2-wheel drive and 4-wheel drive modes.
Common Causes of P1855 Ford
- Faulty transmission transfer case contact plate 'C'.
- Damaged wiring or connectors in the transfer case system.
- Corrosion or poor electrical connections in the contact plate circuit.
- Issues with the transmission control module.
- Environmental factors such as water intrusion or debris causing damage to the contact plate.
Symptoms of P1855 Ford
- Difficulty shifting between 2-wheel drive and 4-wheel drive modes.
- Vehicle stuck in a particular drive mode.
- Erratic shifting behavior.
- Loss of power to the wheels.
- Dashboard warning light illuminated indicating an issue with the transfer case.
How to Fix P1855 Ford
- Begin by conducting a thorough inspection of the transmission transfer case contact plate 'C' and its wiring harness for any visible damage or corrosion.
- Test the continuity of the contact plate circuit using a multimeter to identify if there is an open circuit.
- Replace the faulty contact plate if necessary, ensuring proper installation and secure connection.
- Clear the diagnostic trouble codes from the vehicle's computer system using a scan tool.
- Test drive the vehicle to ensure that the issue has been resolved and that the transfer case functions correctly in all drive modes.
Cost to Fix P1855 Ford
The typical repair costs for addressing a P1855 Ford code can vary depending on the extent of the issue and the specific components that require replacement. In general, replacing the transmission transfer case contact plate 'C' and addressing any related wiring issues can range from $200 to $500 for parts and labor. However, it is essential to note that diagnosis time and labor rates at auto repair shops can vary significantly based on location, vehicle make and model, and engine type. It is advisable to consult with local auto repair shops to obtain a more accurate estimate for this repair.
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