Engine-CodesMercury – P1828 Mercury

P1828 Mercury Code - Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure

Quick Answer

The P1828 code for Mercury vehicles indicates a Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure. Common causes include Faulty relay coil in the transfer case circuit, Wiring issues or loose connections in the relay coil circuit, Electrical component failure in the transfer case 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
P1828 Mercury indicates Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure.
Common causes
Common causes include Faulty relay coil in the transfer case circuit, Wiring issues or loose connections in the relay coil circuit, Electrical component failure in the transfer case 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.
Table of contents Created and updated by William Orellana on Aug 25, 2024
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Code P1828 Mercury Description

The P1828 code for Mercury vehicles indicates a Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure. This means that there is a problem with the relay coil circuit that controls the transfer case shifting in a counter-clockwise direction. The transfer case is a critical component that allows the vehicle to switch between two-wheel drive and four-wheel drive modes, so a malfunction in this circuit can have significant implications for the vehicle's performance.

OBDII Code P1828 Mercury - Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure
P1828 Mercury Code - Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure

Common Causes of P1828 Mercury

  1. Faulty relay coil in the transfer case circuit.
  2. Wiring issues or loose connections in the relay coil circuit.
  3. Electrical component failure in the transfer case system.
  4. Mechanical problems in the transfer case motor or related components.

Symptoms of P1828 Mercury

  1. Difficulty shifting between two-wheel drive and four-wheel drive modes.
  2. Warning lights related to the transfer case system on the dashboard.
  3. Unusual noises or vibrations when engaging the transfer case.
  4. Reduced fuel efficiency due to the transfer case not functioning properly.

How to Fix P1828 Mercury

  1. Diagnose the specific cause of the relay coil circuit failure using a diagnostic tool.
  2. Inspect the wiring and connections in the circuit for any damage or corrosion.
  3. Replace the faulty relay coil or any damaged electrical components.
  4. Test the transfer case system to ensure proper functionality after repairs are completed.

Cost to Fix P1828 Mercury

The typical repair costs for addressing a Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure can range from $200 to $500, including parts and labor. However, actual costs may vary depending on the specific diagnosis time and labor rates at auto repair shops. It is recommended to consult local rates for a more accurate estimate.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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