AutoCodes – Volkswagen – P1652 Volkswagen

P1652 Volkswagen Code - Transmission Control Module System Malfunction

Quick Answer

P1652 Volkswagen indicates Transmission Control Module System Malfunction. 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: P1652 Volkswagen indicates Transmission Control Module System Malfunction.
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 27,818

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 05, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1652 Volkswagen Description

OBDII Code P1652 Volkswagen - Transmission Control Module System Malfunction - AutoCodes.com — P1652 Volkswagen Code - Transmission Control Module System Malfunction

What does this mean?

What are the Possible Causes of the DTC P1652 Volkswagen?

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 P1652 Volkswagen?

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 P1652 Volkswagen 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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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 P1652 Volkswagen Code

1. What are the common symptoms of OBDII code P1652 in a Volkswagen related to the Transmission Control Module System Malfunction?

- Common symptoms may include transmission shifting issues, reduced fuel efficiency, and the transmission going into limp mode.

2. What are the possible causes of OBDII code P1652 in a Volkswagen indicating a Transmission Control Module System Malfunction?

- Possible causes include faulty transmission control module (TCM), wiring issues, poor electrical connections, or a malfunctioning transmission speed sensor.

3. How can I diagnose OBDII code P1652 in my Volkswagen that points to a Transmission Control Module System Malfunction?

- Diagnosis typically involves using an OBDII scanner to retrieve the code, checking the transmission control module for any visible damage, and inspecting the wiring and connections for any issues.

4. Can I continue driving my Volkswagen with OBDII code P1652 related to the Transmission Control Module System Malfunction?

- It is not recommended to drive the vehicle with this code active, as it can lead to further transmission damage or safety issues. It is best to address the problem promptly.

5. How can I repair OBDII code P1652 in my Volkswagen indicating a Transmission Control Module System Malfunction?

- Repair options may include replacing the transmission control module, repairing any damaged wiring or connections, or addressing any issues with the transmission speed sensor.

6. Are there any DIY tips for troubleshooting OBDII code P1652 in a Volkswagen for the Transmission Control Module System Malfunction?

- DIY tips may include checking and cleaning electrical connections, inspecting for any visible damage, and ensuring proper transmission fluid levels.

7. Is it possible for a faulty battery or alternator to trigger OBDII code P1652 in a Volkswagen related to the Transmission Control Module System Malfunction?

- Yes, a weak battery or faulty alternator can cause voltage fluctuations that may affect the transmission control module and trigger this code.

8. How much can I expect to pay for repairing OBDII code P1652 in my Volkswagen indicating a Transmission Control Module System Malfunction?

- Repair costs can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Can resetting the OBDII code P1652 in my Volkswagen related to the Transmission Control Module System Malfunction temporarily fix the issue?

- Resetting the code may temporarily clear the warning light, but if the underlying problem is not addressed, the code is likely to return.

10. How long does it typically take to repair OBDII code P1652 in a Volkswagen indicating a Transmission Control Module System Malfunction?

- The repair time can vary based on the specific cause of the issue and the availability of parts, but it may take a few hours to a full day for the repair to be completed.