AutoCodes – Volkswagen – P0702 Volkswagen

P0702 Volkswagen Code - Transmission Control System Electrical

Quick Answer

This Diagnostic Trouble Code (DTC) is set by the Engine Control Module (ECM) when you have a problem with the Transmission Control Module (TCM). Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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: P0702 Volkswagen indicates Transmission Control System Electrical.
Common causes: Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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 12,201

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 May 23, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0702 Volkswagen Description

This Diagnostic Trouble Code (DTC) is set by the Engine Control Module (ECM) when you have a problem with the Transmission Control Module (TCM). This could be the TCM itself or a problem with the wiring harness to the module.

OBDII Code P0702 Volkswagen - Transmission Control System Electrical - AutoCodes.com — P0702 Volkswagen Code - Transmission Control System Electrical

What does this mean?

What are the Possible Causes of the DTC P0702 Volkswagen?

Faulty Transmission Control Module (TCM)
Transmission Control Module harness is open or shorted
Transmission Control Module circuit poor electrical connection

How to Fix the DTC P0702 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 P0702 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 P0702 Volkswagen Code

1. What are the common symptoms of OBDII code P0702 in a Volkswagen related to the Transmission Control System Electrical issue?

- Common symptoms include difficulty shifting gears, delayed or harsh shifting, and the transmission going into limp mode.

2. What are the possible causes of the OBDII code P0702 in a Volkswagen?

- The code P0702 usually indicates a problem with the transmission range sensor, damaged wiring, or a faulty transmission control module.

3. How can I diagnose the OBDII code P0702 in my Volkswagen?

- To diagnose the code P0702, you can use a diagnostic scanner to read the code and perform a thorough inspection of the transmission range sensor and related wiring.

4. What are some repair tips for fixing the OBDII code P0702 in a Volkswagen?

- Repair tips may include checking and repairing damaged wiring, replacing the transmission range sensor, or reprogramming the transmission control module.

5. Can I continue driving my Volkswagen with the OBDII code P0702?

- It is not recommended to continue driving your Volkswagen with the code P0702 as it can lead to more serious transmission issues and potential safety hazards.

6. How much does it typically cost to repair the OBDII code P0702 in a Volkswagen?

- The cost of repairing the code P0702 can vary depending on the exact cause of the issue, but it may range from a few hundred to a couple of thousand dollars.

7. Is it possible to reset the OBDII code P0702 in a Volkswagen without fixing the underlying issue?

- While you can clear the code temporarily, it will likely reappear until the root cause, such as a faulty transmission range sensor, is addressed.

8. Can a DIY enthusiast fix the OBDII code P0702 in a Volkswagen?

- Depending on your level of experience and access to tools, some DIY enthusiasts may be able to address the code P0702 by replacing the transmission range sensor or fixing damaged wiring.

9. How long does it take to repair the OBDII code P0702 in a Volkswagen?

- The repair time for the code P0702 can vary depending on the exact cause and the complexity of the repair, but it may take a few hours to a full day.

10. What should I do if the OBDII code P0702 keeps coming back in my Volkswagen after repairs?

- If the code P0702 keeps reappearing after repairs, it may indicate an ongoing issue that requires further diagnosis by a professional mechanic specializing in transmission systems.