The OBD code P1728 for Ford indicates a transmission slip fault.
It affects the transmission system.
Symptoms include the Check Engine Light being illuminated.
Causes can be low or dirty transmission fluid, or mechanical issues in the transmission.
It is a moderate issue that should be addressed promptly.
A possible fix is to check and replace low or dirty transmission fluid, and inspect the transmission for any mechanical problems.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
Symptoms of the Ford p1728 OBD Code
The vehicle may experience harsh shifting or lack of power under load with Ford code P1728.
- Symptoms: Engine Light ON.
- Transmission may not shift properly.
- Vehicle may go into limp mode.
- Rough shifting or harsh engagement of gears.
- Hesitation or lack of power during acceleration.
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Causes of the Ford p1728 OBD Code
P1728 in Ford vehicles typically indicates an issue with the transmission slip fault.
- P1728 can be caused by low or dirty transmission fluid.
- Check for transmission mechanical problems.
- Faulty transmission speed sensor.
- Broken wiring or connectors in the transmission speed sensor circuit.
- Low voltage to the transmission speed sensor.
- Corroded grounds affecting the transmission speed sensor signal.
- Signal loss between the transmission speed sensor and the PCM.
Fixing Ford Error Code p1728 Step By Step
Address the issue by inspecting the transmission pressure control solenoid and related wiring for faults.
- To fix Ford OBDII code P1728, start by reviewing the possible causes related to transmission slip.
- Visually inspect the transmission fluid level and condition, ensuring it is at the correct level and not burnt or contaminated.
- Check the transmission solenoid for proper operation and replace if necessary.
- Inspect the wiring harness and connectors for any damage or corrosion, paying close attention to the transmission control module (TCM) connections.
- Reset the TCM by disconnecting the battery for a few minutes or using a scan tool.
- Test drive the vehicle to see if the code returns, indicating a successful repair.
Cost Of Fixing Ford p1728 Fault Code
Diagnosing and repairing Ford code P1728 may involve inspecting transmission components for proper operation.
The cost to diagnose and fix Ford OBD code P1728 typically ranges from $75 to $150, based on an estimated repair time of 1. 0 hour.
Factors like shop rates and complexity of the issue can influence the final cost.
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Details of the Ford p1728 OBD Code
Ford code P1728 relates to the transmission slipping due to a problem with the transmission solenoid.
Ford OBD code P1728 means Transmission Slip Error.
It is triggered by the Powertrain Control Module (PCM) when it detects excessive slipping between the input and output shafts of the transmission.
This code is related to the transmission system and indicates a potential issue with the transmission components or the transmission fluid pressure.
Mechanic’s Tech Notes
For Ford code P1728, check for issues with the transmission pressure control solenoid.
To diagnose and fix OBDII code P1728 in a Ford vehicle, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) using a scan tool.
If the TCM does not respond, reprogramming or reflashing may be necessary.
Visually inspect the wiring harness and connectors for any damage, and ensure connector pins are not broken, bent, pushed out, or corroded.
Address any issues found during the inspection to resolve the P1728 fault code.
FAQ
Common symptoms for OBD code P1728 in a Ford vehicle include Engine Light ON, caused by low or dirty transmission fluid. Check for mechanical issues and inspect wiring.
OBD code P1728 in Ford vehicles is typically caused by low or dirty transmission fluid, transmission mechanical issues. Check fluid, inspect wiring, connectors.
Diagnose and repair OBD code P1728 in a Ford: Symptoms Engine Light ON; Causes Low/dirty transmission fluid, mechanical issues; Fix Inspect wiring, connectors, components for damage.
Wrap Up
If your Ford is displaying OBD code P1728 and experiencing harsh shifting, slipping transmission, or delayed engagement, it could be caused by a faulty transmission pressure control solenoid, low transmission fluid level, or a malfunctioning transmission control module.
To address Ford OBD code P1728, check the transmission fluid level and condition, inspect the wiring harness and connectors for any damage, and test the transmission pressure control solenoid for proper operation.
Consider replacing the solenoid if necessary to resolve the issue.
