how to fix P0700 transmission code on Tesla Model S Original (2012-2020)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

Error Code: P0700

3 min read

436 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 code 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 high-voltage battery before working on electrical systems.
•Allow the vehicle to cool before checking transmission fluid to avoid burns.

Symptoms

•Check engine light illuminated
•Erratic shifting or inability to shift gears
•Loss of acceleration or power
•Transmission overheating
•Reduced regenerative braking efficiency
•Transmission warning message displayed on the dashboard

Diagnostic Steps

1
Connect an OBD-II scanner to retrieve any additional transmission-related fault codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning.
3
Check electrical connections and wiring harness to the transmission control module for damage or corrosion.
4
Verify the functionality of the transmission control module using diagnostic software.
5
Test the transmission fluid temperature sensor for correct readings and functionality.
6
Perform a visual inspection of the transmission for leaks or physical damage.

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
•Transmission fluid pump
•Socket set
•Torque wrench
•Electrical contact cleaner
•Safety goggles
•Gloves

Parts Required

•Manufacturer-recommended transmission fluid
•Transmission filter (if applicable)

Related Faults

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Diagnostic Steps

1
Connect an OBD-II scanner to retrieve any additional transmission-related fault codes.
2
Inspect the transmission fluid level and condition; look for signs of contamination or burning.
3
Check electrical connections and wiring harness to the transmission control module for damage or corrosion.
4
Verify the functionality of the transmission control module using diagnostic software.
5
Test the transmission fluid temperature sensor for correct readings and functionality.
6
Perform a visual inspection of the transmission for leaks or physical damage.

Solution

1. Preparation

Gather the necessary tools and parts.
Ensure the vehicle is parked on a level surface and the parking brake is engaged.
Disconnect the vehicle's high-voltage battery to ensure safety.

2. Fluid Check and Replacement

Sub-steps:
1. Remove the transmission access cover if applicable.
2. Check the transmission fluid level using the dipstick (if equipped) or by removing the fill plug.
3. If the fluid is low or contaminated, drain the transmission fluid completely.
4. Replace with manufacturer-recommended transmission fluid. Use a funnel to refill through the fill port to the correct level.
5. Reinstall the access cover.

3. Electrical Inspection

Sub-steps:
1. Inspect the wiring harness connected to the transmission control module for any signs of wear or damage.
2. Clean any corroded connectors with electrical contact cleaner.
3. Reconnect any loose connections securely.

4. Module Reset and Reprogramming

Sub-steps:
1. Reconnect the high-voltage battery.
2. Use the OBD-II scanner to clear any fault codes.
3. Follow the manufacturer's procedures to reprogram the transmission control module if required.

5. Final Checks

Sub-steps:
1. Perform a test drive to ensure the transmission operates correctly.
2. Monitor for any new error codes using the scanner after the test drive.

Tools Required:

OBD-II scanner
Transmission fluid pump
Socket set
Torque wrench
Electrical contact cleaner
Safety goggles and gloves

Parts Required:

Manufacturer-recommended transmission fluid
Transmission filter (if applicable)

Estimated Repair Time: 2-4 hours

Safety Warnings:

Disconnect the high-voltage battery before working on electrical systems.
Allow the vehicle to cool before checking transmission fluid to avoid burns.