my Tesla Model S Original (2012-2020) has a P0700 code, what does it mean?

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

Error Code: P0700

3 min read

513 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix P0700 transmission control malfunction in Tesla Model S (2012-2020). Step-by-step guide with diagnostic procedures and repair instructions.

Error Code

P0700

Affected Component

Transmission

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow vehicle to cool before inspecting the transmission fluid.

Symptoms

•Check engine light illuminated
•Potential rough shifting or slipping of the transmission
•Increased fuel consumption
•Transmission warning message displayed
•Unusual noises during gear changes

Diagnostic Steps

1
Scan for additional error codes using an OBD-II scanner to pinpoint the specific transmission issue.
2
Inspect transmission fluid level and condition; low or burnt fluid can lead to transmission problems.
3
Check the transmission wiring harness for any signs of damage or poor connections.
4
Examine the transmission control module (TCM) for faults or damage.
5
Test the TCM and related sensors for proper voltage and functionality using a multimeter.
6
Inspect for any software updates available for the vehicle's firmware that might address transmission issues.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

✓Test the affected component to ensure it functions correctly
✓Check for any error codes or warning lights
✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

•Follow the manufacturer's recommended maintenance schedule
•Address warning signs early before they develop into major issues
•Use quality parts and fluids recommended for your vehicle
•Keep detailed records of all repairs and maintenance

Tools & Equipment Required

•OBD-II scanner
•Socket set
•Multimeter
•Torque wrench

Parts Required

•Transmission fluid (Tesla-approved type)
•Transmission drain plug gasket
•Transmission control module (if replacement is necessary)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Scan for additional error codes using an OBD-II scanner to pinpoint the specific transmission issue.
2
Inspect transmission fluid level and condition; low or burnt fluid can lead to transmission problems.
3
Check the transmission wiring harness for any signs of damage or poor connections.
4
Examine the transmission control module (TCM) for faults or damage.
5
Test the TCM and related sensors for proper voltage and functionality using a multimeter.
6
Inspect for any software updates available for the vehicle's firmware that might address transmission issues.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Disconnect the vehicle's battery to prevent any electrical shorts.

2. Inspect and Replace Transmission Fluid

Sub-steps:
1. Remove the transmission fluid drain plug using a socket set.
2. Allow the old fluid to fully drain into a suitable container.
3. Replace the drain plug with a new gasket and torque to manufacturer specifications (typically around 15-20 Nm).
4. Refill the transmission with new fluid as specified in the owner's manual (usually Tesla-approved transmission fluid).
5. Start the vehicle and cycle through the gears while checking for leaks.

3. Inspect Wiring and Connectors

Sub-steps:
1. Visually inspect the wiring harness connected to the TCM for fraying or corrosion.
2. Disconnect and reconnect any loose connectors to ensure a good connection.
3. Use a multimeter to check for continuity in the wiring; replace any damaged wires as necessary.

4. Test and Reprogram TCM (if required)

Sub-steps:
1. Using a compatible diagnostic tool, access the TCM settings.
2. Check for software updates and perform any necessary updates.
3. If a TCM replacement is needed, carefully remove the old TCM, install the new one, and reprogram it using the diagnostic tool.