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how to fix P0700 code in Tesla Model S Plaid/Refresh (2021-present) - Tesla Model S
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how to fix P0700 code in Tesla Model S Plaid/Refresh (2021-present)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes
2-4 hours
Time
medium
Difficulty
high
Severity
Error Code: P0700
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ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
538 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 system malfunction in Tesla Model S Plaid. 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 to prevent shorts.
  • •Allow the vehicle to cool down before inspecting the transmission to avoid burns.

Symptoms

  • •Check engine light illuminated
  • •Erratic shifting or inability to shift gears
  • •Increased energy consumption
  • •Transmission overheating
  • •Reduced acceleration performance

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5

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
  • •Electrical contact cleaner
  • •Wire strippers/crimpers
  • •Funnel
  • •Container for old fluid
  • •Tesla service tool or compatible diagnostic software

Parts Required

  • •Transmission fluid (manufacturer recommended)
  • •Wiring harness connectors (if damaged)

Additional Information

Error Code
P0700
Affected Component
Transmission
Estimated Time
2-4 hours
Difficulty
medium
Severity
high
Tools Required
7 items
Parts Required
2 items

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Solution
1. Preparation
  • Gather tools and parts required for the repair.
  • Ensure the vehicle is parked on a level surface, and set the parking brake.
  • Disconnect the battery to avoid electrical shorts during repairs.
2. Check and Replace Transmission Fluid
  • Sub-steps:
    • Locate the transmission fluid dipstick or fill port.
    • Remove the dipstick and check the fluid level and quality; if the fluid is dirty or burnt, it needs to be replaced.
    • If necessary, drain the old transmission fluid using a fluid pump or drain plug.
    • Refill with manufacturer-recommended transmission fluid to the appropriate level.
  • Tools Required: Fluid pump, funnel, container for old fluid.
3. Inspect and Repair Wiring and Connectors
  • Sub-steps:
    • Visually inspect the wiring harness connected to the transmission control module for fraying or disconnects.
    • Clean any corroded connectors using electrical contact cleaner.
    • Repair or replace any damaged wiring or connectors as needed.
  • Tools Required: Electrical contact cleaner, wire strippers/crimpers.
4. Update Transmission Control Module Software
  • Sub-steps:
    • Connect the Tesla to the official Tesla service tool or diagnostic device.
    • Check for available software updates for the transmission control module.
    • Follow the on-screen prompts to update the software if required.
  • Tools Required: Tesla service tool or compatible diagnostic software.
5. Reconnect the Battery and Clear Codes
  • Sub-steps:
    • Reconnect the battery terminals securely.
    • Use the OBD-II scanner to clear the P0700 code from the system.
    • Perform a test drive to ensure the issue is resolved.
  • Tools Required: OBD-II scanner.