AutoCodes – BMW – P0700 BMW

P0700 BMW Code - Transmission Control System Malfunction

Quick Answer

The Transmission Control Module (TCM) monitors the malfunction of sensors and actuators relating to transmission control. Common causes include Shorted or open circuit within Transmission Control Module (TCM), Faulty Transmission Control Module (TCM). 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: P0700 BMW indicates Transmission Control System Malfunction.
Common causes: Common causes include Shorted or open circuit within Transmission Control Module (TCM), Faulty Transmission Control Module (TCM).
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 4,889

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 07, 2024

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0700 BMW Description

The Transmission Control Module (TCM) monitors the malfunction of sensors and actuators relating to transmission control. When the TCM detects a malfunction with the control, a signal is sent to the Engine Control Module (ECM) to trigger the Engine Light or Service Engine Soon light. The ECM stores the P0700 code, and it means the TCM detected a malfunction with the transmission controls.

OBDII Code P0700 BMW - Transmission Control System Malfunction - AutoCodes.com — P0700 BMW Code - Transmission Control System Malfunction

What does this mean?

What are the Possible Causes of the DTC P0700 BMW?

Shorted or open circuit within Transmission Control Module (TCM)
Faulty Transmission Control Module (TCM)

How to Fix the DTC P0700 BMW?

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 does this mean?

Code Tech Notes

The P0700 code is a generic Diagnostic Trouble Code (DTC) used in OBDII systems to indicate a problem with the transmission control system. It typically means that there are additional specific transmission-related trouble codes stored in the Transmission Control Module (TCM) that need to be retrieved to diagnose the issue further.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0700 BMW 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 P0700 BMW Code

1. What are the common symptoms of OBDII code P0700 in a BMW related to Transmission Control System Malfunction?

- Common symptoms include the transmission slipping or not shifting properly, check engine light illuminated, and difficulty engaging gears.

2. What are the possible causes of OBDII code P0700 in a BMW?

- Causes can include issues with the transmission control module (TCM), wiring problems, faulty sensors, or internal transmission faults.

3. How can I diagnose the Transmission Control System Malfunction in my BMW when OBDII code P0700 is triggered?

- Diagnosis involves using a professional OBDII scanner to retrieve specific transmission codes, checking for related codes, and conducting a thorough inspection of the transmission system.

4. What are some repair tips for addressing OBDII code P0700 in a BMW?

- Repair tips may include checking and repairing any damaged wiring, testing and replacing faulty sensors, resetting the TCM, or performing a transmission fluid flush and filter replacement.

5. Can driving with OBDII code P0700 in a BMW cause further damage to the transmission?

- Continuing to drive with this code may lead to further damage to the transmission system, potentially resulting in more costly repairs down the line.

6. How much does it typically cost to repair OBDII code P0700 related to Transmission Control System Malfunction in a BMW?

- Repair costs can vary depending on the specific issue causing the code, but they may range from a few hundred to over a thousand dollars, including parts and labor.

7. Is it safe to continue driving my BMW with OBDII code P0700 present?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to further transmission problems and potential safety hazards.

8. Will resetting the OBDII code P0700 in a BMW make the issue go away?

- Simply resetting the code will not fix the underlying problem causing the Transmission Control System Malfunction. Proper diagnosis and repairs are necessary to resolve the issue.

9. How long does it take to repair OBDII code P0700 in a BMW at a professional repair shop?

- The repair time can vary depending on the specific cause of the code, but it may take anywhere from a few hours to a full day to diagnose and repair the issue.

10. Can a DIY enthusiast with automotive knowledge fix OBDII code P0700 in a BMW at home?

- While some basic troubleshooting and repairs can be done at home, diagnosing and repairing complex transmission issues related to this code may require professional expertise and specialized tools.