P0C28 Mercury Code - Electric Transmission Fluid Pump Motor Current Low
Quick Answer
The Electronic Transmission Fluid Auxiliary Pump is used to keep the transmission engaged when the engine is stopped and the transmission is in drive. Common causes include Faulty Electronic Transmission Fluid Auxiliary Pump, Electronic Transmission Fluid Auxiliary Pump harness is open or shorted, Electronic Transmission Fluid Auxiliary Pump circuit poor electrical connection. 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
- P0C28 Mercury indicates Electric Transmission Fluid Pump Motor Current Low.
- Common causes
- Common causes include Faulty Electronic Transmission Fluid Auxiliary Pump, Electronic Transmission Fluid Auxiliary Pump harness is open or shorted, Electronic Transmission Fluid Auxiliary Pump circuit poor electrical connection.
- 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.
Code P0C28 Mercury Description
What are the Possible Causes of the DTC P0C28 Mercury?
- Faulty Electronic Transmission Fluid Auxiliary Pump
- Electronic Transmission Fluid Auxiliary Pump harness is open or shorted
- Electronic Transmission Fluid Auxiliary Pump circuit poor electrical connection
How to Fix the DTC P0C28 Mercury?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0C28 Mercury code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0C28 Mercury Code
1. What does the OBDII code P0C28 mean for a Mercury vehicle?
P0C28 indicates that the electric transmission fluid pump motor is experiencing a low current condition, which can affect transmission performance.
2. What are the common symptoms of code P0C28 in a Mercury?
Symptoms may include transmission overheating, reduced fuel efficiency, poor acceleration, and illumination of the check engine light.
3. What causes the P0C28 code to appear in a Mercury?
Possible causes include a faulty transmission fluid pump motor, wiring issues, a defective control module, or low transmission fluid levels.
4. Can I drive my Mercury with the P0C28 code active?
Driving with this code is not recommended, as it can lead to transmission overheating and potential long-term damage.
5. How do I diagnose the P0C28 code in my Mercury?
Diagnosis involves checking the transmission fluid level, inspecting the pump motor and electrical connections, and using a scan tool to monitor motor current.
6. What repairs can fix the P0C28 code in a Mercury?
Repairs may include replacing the electric transmission fluid pump motor, repairing damaged wiring, or updating/replacing the control module.
7. Is low transmission fluid a possible cause of the P0C28 code?
Yes, low or contaminated transmission fluid can cause the pump motor to draw insufficient current, triggering the code.
8. How much does it typically cost to fix the P0C28 code on a Mercury?
Repair costs can vary depending on the cause but typically range from $200 to $800, depending on parts and labor.
9. Can a software update fix the P0C28 code in a Mercury vehicle?
In some cases, a control module software update from the manufacturer may resolve the issue.
10. What tools are needed to troubleshoot the P0C28 code?
Tools such as an OBDII scan tool, a multimeter, and possibly a transmission fluid pressure tester are typically required for diagnosis.
Discuss the causes and fixes for P0C28 Mercury OBDII Code
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