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Engine-Codes – Generic – P1828

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

Quick Answer

The P1828 diagnostic trouble code refers to a Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure. Common causes include Electrical faults in the relay coil circuit, Damaged or corroded wiring connections, Faulty relay coil or control module. 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 indicates Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure.
Common causes
Common causes include Electrical faults in the relay coil circuit, Damaged or corroded wiring connections, Faulty relay coil or control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P1828 Description

The P1828 diagnostic trouble code refers to a Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure. This code indicates that there is a malfunction in the circuit responsible for the relay coil that controls the counter clockwise shift of the transmission transfer case in the vehicle. The transmission transfer case is a crucial component that allows the vehicle to switch between two-wheel drive and four-wheel drive, providing additional traction and stability in off-road or slippery road conditions.

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

Common Causes of P1828

  1. Electrical faults in the relay coil circuit.
  2. Damaged or corroded wiring connections.
  3. Faulty relay coil or control module.
  4. Water or debris intrusion into the transmission transfer case components.
  5. Wear and tear on the relay coil circuit due to age or mileage.

Symptoms of P1828

  1. Difficulty shifting between two-wheel drive and four-wheel drive modes.
  2. Illumination of the check engine light or transmission warning light on the dashboard.
  3. Vehicle going into "limp mode" to prevent further damage.
  4. Unusual noises or vibrations coming from the transmission transfer case.
  5. Reduced traction or stability, especially in slippery road conditions.

How to Fix P1828

  1. Begin by performing a thorough inspection of the relay coil circuit, wiring connections, and control module for any visible damage or corrosion.
  2. Use a multimeter to test the continuity and resistance of the relay coil circuit to identify any electrical faults.
  3. Replace any damaged wiring, connectors, or the faulty relay coil as needed.
  4. Clear the diagnostic trouble codes from the vehicle's computer using a scan tool and test the transmission transfer case operation to ensure proper functionality.
  5. If the issue persists, consult a professional mechanic or dealership for further diagnosis and potential replacement of the control module or other related components.

Cost to Fix P1828

The cost of repairing a Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure can vary depending on the extent of the damage, the need for replacement parts, and the labor rates in your area. Typically, the repair costs for this issue can range from $200 to $500, including parts and labor. However, it's essential to consider that diagnostic time and labor rates at auto repair shops may vary, with hourly rates ranging between $80 and $150. Factors such as the vehicle make and model, the specific repair needed, and the location of the repair shop can also influence the final cost. To obtain a more accurate estimate, it is recommended to contact local auto repair shops for quotes based on your vehicle's specific circumstances.

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Code P1828 Information for Specific Makes

  • P1828 Ford — Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure
  • P1828 Lincoln — Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure
  • P1828 Mercury — Transmission Transfer Case Counter Clockwise Shift Relay Coil Circuit Failure
  • P1828 Mitsubishi — Shift Fork Position Sensor 2 System Neutral
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.

Frequently Asked Questions about P1828 Code

1. What are common symptoms of OBDII code P1828?

Common symptoms of code P1828 may include difficulty shifting gears, erratic shifting behavior, and the transmission getting stuck in a specific gear.

2. What causes OBDII code P1828 to trigger?

Code P1828 is typically triggered by a failure in the transmission transfer case counter clockwise shift relay coil circuit. This can be caused by issues such as damaged wiring, a faulty relay coil, or a malfunctioning transfer case motor.

3. How serious is OBDII code P1828?

Code P1828 should be addressed promptly as it can lead to transmission shifting issues, which can affect the vehicle's drivability and potentially cause further damage if left unresolved.

4. Can I continue driving with OBDII code P1828?

It is not recommended to continue driving with code P1828 present, as it can cause transmission problems that may lead to safety hazards or additional damage to the vehicle.

5. How can I diagnose OBDII code P1828?

Diagnosing code P1828 typically involves using a scan tool to retrieve the code, inspecting the wiring and connections related to the transfer case shift relay coil circuit, and testing the relay coil and transfer case motor for proper functionality.

6. Is it possible to repair OBDII code P1828 myself?

Repairing code P1828 may require a good understanding of automotive electrical systems and transmission components. It is recommended to consult a professional mechanic for accurate diagnosis and repair.

7. How much does it cost to fix OBDII code P1828?

The cost of fixing code P1828 can vary depending on the exact cause of the issue and the labor rates of the repair shop. It may involve replacing damaged wiring, the relay coil, or the transfer case motor.

8. Can a low battery voltage trigger OBDII code P1828?

Yes, a low battery voltage can potentially trigger code P1828 as it may affect the proper functioning of the relay coil circuit or the transfer case motor. It is important to ensure the battery is in good condition when diagnosing this code.

9. Will resetting the OBDII code P1828 make it go away permanently?

Resetting the code may temporarily clear the error code, but if the underlying issue causing P1828 is not addressed, the code is likely to return. It is important to diagnose and repair the root cause of the problem for a permanent fix.

10. Can extreme weather conditions affect OBDII code P1828?

Extreme weather conditions, especially moisture or water exposure, can potentially impact the transmission transfer case components and lead to issues triggering code P1828. It is important to keep the vehicle protected and well-maintained in such conditions.

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