how to fix P0700 code in 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

573 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 fault 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 the vehicle to cool down before inspecting the transmission fluid.

Symptoms

•Check engine light illuminated
•Transmission performance issues (e.g., slipping or harsh shifting)
•Reduced acceleration
•Loss of power in electric drivetrain
•Warning message on the dashboard related to transmission

Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to retrieve any additional related fault codes.
2
Inspect the transmission fluid level and condition (check for discoloration or burnt smell).
3
Check for software updates for the vehicle's transmission control module.
4
Inspect wiring and connectors related to the transmission system for damage or corrosion.
5
Verify the operation of the transmission control module by checking its parameters with a diagnostic tool.

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
•Fluid pump
•Container for fluid
•Laptop with Tesla software
•Multimeter
•Wire brush
•Socket set
•Torque wrench

Parts Required

•Transmission fluid (specific to Tesla specifications)
•Transmission control module (if replacement is necessary)

Related Faults

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Diagnostic Steps

1
Scan the vehicle's onboard computer using an OBD-II scanner to retrieve any additional related fault codes.
2
Inspect the transmission fluid level and condition (check for discoloration or burnt smell).
3
Check for software updates for the vehicle's transmission control module.
4
Inspect wiring and connectors related to the transmission system for damage or corrosion.
5
Verify the operation of the transmission control module by checking its parameters with a diagnostic tool.

Solution

1. Preparation

Gather tools and materials needed for the repair.
Ensure the vehicle is parked on a flat surface and turn off the ignition.
Disconnect the negative terminal of the battery to prevent electrical shorts.

2. Inspect Transmission Fluid

Tools Required: Fluid pump, container for fluid.
Remove the transmission fluid filler cap.
Use a fluid pump to extract a small amount of fluid for inspection.
Check fluid level with the dipstick (if available) or by the manufacturer’s specifications.
If fluid is low, add the correct type of transmission fluid as specified in the owner’s manual.

3. Update Transmission Control Module Software

Tools Required: Laptop with Tesla software.
Connect the laptop to the vehicle using the appropriate interface.
Open the Tesla software and check for available updates for the transmission control module.
Follow the on-screen instructions to update the software if an update is available.

4. Inspect Wiring and Connectors

Tools Required: Multimeter, wire brush.
Visually inspect all wiring and connectors leading to the transmission control module for damage.
Use a multimeter to check for continuity in the wiring.
Clean any corrosion off connectors using a wire brush and reconnect securely.

5. Replace Transmission Control Module (if necessary)

Tools Required: Socket set, torque wrench.
Disconnect the battery again.
Remove the transmission control module from its housing, typically secured by bolts.
Install the new transmission control module and torque the bolts to the manufacturer's specifications.
Reconnect the battery and clear any fault codes using an OBD-II scanner.