AutoCodes – Dodge – P128E Dodge

P128E Dodge Code - Transmission Control Module Power Control Circuit Overcurrent

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: P128E Dodge indicates Transmission Control Module Power Control Circuit Overcurrent.
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.

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Code Popularity 3,932

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P128E Dodge Description

The Powertrain Control Module (PCM) monitors the Transmission Control Module (TCM). The PCM sets the OBDII code when the Transmission Control Module (TCM) is not to factory specifications.

OBDII Code P128E Dodge - Transmission Control Module Power Control Circuit Overcurrent - AutoCodes.com — P128E Dodge Code - Transmission Control Module Power Control Circuit Overcurrent

What does this mean?

What are the Possible Causes of the DTC P128E 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 P128E 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 P128E 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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Need more information on how to fix the P128E Dodge code? Get Access to Factory Service Manuals

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Get the P128E Dodge code diagnosed by a professional: Find a repair shop in your area

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 P128E Dodge Code

1. What are the common symptoms of OBDII code P128E in a Dodge vehicle?

The common symptoms of OBDII code P128E include transmission shifting issues, reduced fuel efficiency, and the illumination of the check engine light.

2. What can cause the OBDII code P128E to trigger in a Dodge vehicle?

The OBDII code P128E in a Dodge vehicle is typically triggered by a malfunction in the Transmission Control Module (TCM) power control circuit, specifically due to overcurrent.

3. How serious is the OBDII code P128E in a Dodge vehicle?

While the code may not cause immediate drivability issues, it is important to address the underlying problem as it can lead to further damage to the transmission control system if left unresolved.

4. What are some possible repair tips for fixing the OBDII code P128E in a Dodge vehicle?

Repair tips for OBDII code P128E may include checking and repairing any damaged wiring or connections in the TCM power control circuit, as well as ensuring the TCM is functioning properly.

5. Can I continue to drive my Dodge vehicle with the OBDII code P128E present?

It is generally not recommended to continue driving with the OBDII code P128E present, as ignoring the issue may lead to further damage to the transmission control system over time.

6. How can I diagnose the OBDII code P128E in my Dodge vehicle?

Diagnosing the OBDII code P128E typically involves using a diagnostic scanner to retrieve the code, followed by a thorough inspection of the TCM power control circuit and related components.

7. Are there any recalls or technical service bulletins related to OBDII code P128E in Dodge vehicles?

It is advisable to check with the manufacturer or a Dodge dealership to inquire about any recalls or technical service bulletins related to the OBDII code P128E in your specific Dodge vehicle.

8. Can a DIY enthusiast repair the OBDII code P128E in a Dodge vehicle?

While some DIY enthusiasts may have the skills to address the issue, it is recommended to consult a professional mechanic or technician for proper diagnosis and repair of the OBDII code P128E.

9. How much does it typically cost to repair the OBDII code P128E in a Dodge vehicle?

The cost of repairing the OBDII code P128E can vary depending on the underlying issue, parts needed, and labor costs. It is advisable to obtain quotes from different repair shops for an accurate estimate.

10. How long does it take to repair the OBDII code P128E in a Dodge vehicle?

The repair time for the OBDII code P128E can vary based on the extent of the issue and the availability of parts. In general, it may take a few hours to a full day to diagnose and repair the problem.