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Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/how to troubleshoot P0700 transmission issue in Tesla Model S Original (2012-2020)

how to troubleshoot P0700 transmission issue in Tesla Model S Original (2012-2020)

Tesla Model S Plaid/Refresh (2021-present)

Error Codes
Severity: highDifficulty: mediumError Code: P07002-4 hours
3 min read
566 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 troubleshoot and fix P0700 transmission issues 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

  • ⚠Disconnect the battery before working on electrical components
  • ⚠Ensure the vehicle is powered off and the keys are removed during repairs

Symptoms

  • •Check engine light illuminated
  • •Erratic shifting behavior
  • •Slow acceleration or loss of power during driving
  • •Transmission overheating (overheating warning message)
  • •Reduced regenerative braking capability
  • •Unusual noises from the transmission area

Diagnostic Steps

  1. 1Scan for error codes using OBD-II scanner
  2. 2Inspect transmission fluid level and condition
  3. 3Check for TCM updates
  4. 4Inspect connectors and wiring related to the transmission for damage
  5. 5Take the vehicle for a test drive to replicate the symptoms
  6. 6Check the voltage levels of the high-voltage battery

Solution

Solution

1. Preparation

  • Ensure the vehicle is parked on a flat surface and the parking brake is engaged.
  • Gather necessary tools and parts for the repair.

2. Address Fluid Issues

  • Check Fluid Level:
    • Locate the transmission fluid reservoir.
    • Ensure the vehicle is at the correct operating temperature.
    • Use the dipstick to check fluid level and top off if low with the specified transmission fluid.
  • Fluid Replacement (if necessary):
    • Drain old fluid using a fluid extractor.
    • Replace with manufacturer-recommended transmission fluid.
    • Recheck fluid level and ensure it’s within specified range.

3. Update TCM Software

  • Connect a diagnostic tool that can access Tesla’s software.
  • Follow the prompts to check for and install any TCM updates available.

4. Repair Wiring and Connectors

  • Inspect and Repair:
    • Remove the TCM connector and inspect for corrosion or damage.
    • Repair or replace any damaged wiring or connectors.
    • Reconnect the TCM ensuring a secure fit.

5. Test Drive and Monitor

  • After making the necessary repairs, take the vehicle for a test drive.
  • Monitor for any transmission-related warning messages or erratic behavior.

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 extractor
  • •Fluid funnel
  • •Basic hand tools (sockets, wrenches)

Parts Required

  • •Transmission fluid (manufacturer-recommended type)
  • •Electrical connectors (if damaged)

Additional Information

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

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