P128C Dodge Code - Transmission Control Module Power Control Circuit High
Quick Answer
The Powertrain Control Module (PCM) monitors the Transmission Control Module (TCM). Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) 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
- P128C Dodge indicates Transmission Control Module Power Control Circuit High.
- Common causes
- Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module (TCM) harness is open or shorted, Transmission Control Module (TCM) 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 P128C Dodge Description
What are the Possible Causes of the DTC P128C Dodge?
- Faulty Transmission Control Module (TCM)
- Transmission Control Module (TCM) harness is open or shorted
- Transmission Control Module (TCM) circuit poor electrical connection
How to Fix the DTC P128C Dodge?
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 P128C Dodge 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 P128C Dodge Code
1. What are the common symptoms of OBDII code P128C in a Dodge related to the Transmission Control Module Power Control Circuit High?
The common symptoms include harsh shifting, transmission slippage, decreased fuel efficiency, and the vehicle going into limp mode.
2. What are the possible causes of OBDII code P128C in a Dodge related to the Transmission Control Module Power Control Circuit High?
Potential causes may include a faulty transmission control module, damaged wiring or connectors in the power control circuit, or a malfunctioning power relay.
3. How can I diagnose the OBDII code P128C in a Dodge related to the Transmission Control Module Power Control Circuit High?
Diagnosis typically involves using a scan tool to retrieve the code, inspecting the wiring and connectors for damage, testing the power relay, and checking the transmission control module for proper functioning.
4. Can I continue driving my Dodge with OBDII code P128C related to the Transmission Control Module Power Control Circuit High?
It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage to the transmission system. It's best to address the issue promptly.
5. How can I repair OBDII code P128C in a Dodge related to the Transmission Control Module Power Control Circuit High?
Repair options may include replacing the transmission control module, repairing or replacing damaged wiring or connectors, and ensuring the power relay is functioning correctly.
6. Are there any DIY tips for addressing OBDII code P128C in a Dodge related to the Transmission Control Module Power Control Circuit High?
While some basic inspections and checks can be done by DIY enthusiasts, it is recommended to consult a professional mechanic for a proper diagnosis and repair of this code.
7. Is OBDII code P128C in a Dodge related to the Transmission Control Module Power Control Circuit High a common issue?
While not as common as some other OBDII codes, issues related to the Transmission Control Module Power Control Circuit High can occur in Dodge vehicles, especially in older models or those with high mileage.
8. Can extreme weather conditions affect the occurrence of OBDII code P128C in a Dodge related to the Transmission Control Module Power Control Circuit High?
Extreme weather conditions, such as excessive heat or cold, can potentially impact the performance of the transmission control module and associated components, leading to the triggering of this code.
9. How much can I expect to pay for repairs related to OBDII code P128C in a Dodge related to the Transmission Control Module Power Control Circuit High?
Repair costs can vary depending on the exact cause of the issue and the labor rates in your area. It's advisable to obtain multiple quotes from reputable mechanics to compare prices.
10. Will resetting the OBDII code P128C in a Dodge related to the Transmission Control Module Power Control Circuit High make it go away permanently?
Simply resetting the code without addressing the underlying issue will not make it go away permanently. It's crucial to diagnose and repair the root cause to prevent the code from reoccurring.
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