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Home/Cars/Subaru/Outback/4th Generation (2010-2014)/how to fix P0700 transmission code in Tesla Outback 4th Generation (2010-2014)

how to fix P0700 transmission code in Tesla Outback 4th Generation (2010-2014)

Subaru Outback 4th Generation (2010-2014)

Severity: highDifficulty: mediumError Code: P07002-4 hours
3 min read
533 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 Subaru Outback (2010-2014). Step-by-step guide with diagnostic procedures and repair instructions.

Error Code
P0700
Component
Transmission
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems.
  • ⚠Allow the engine to cool before opening the transmission fluid reservoir.

Symptoms

  • •Check engine light illuminated
  • •Erratic shifting or transmission slipping
  • •Delayed engagement when shifting from park to drive
  • •Transmission overheating or unusual noises
  • •Reduced fuel efficiency

Diagnostic Steps

  1. 1Scan the vehicle's onboard computer for error codes using an OBD-II scanner to confirm the P0700 code and look for any additional related codes.
  2. 2Inspect the transmission fluid level and condition, noting any signs of contamination or burning.
  3. 3Check the wiring and connectors to the transmission control module for damage, corrosion, or loose connections.
  4. 4Test the transmission control module for proper function using a multimeter or diagnostic tool.
  5. 5Inspect the vehicle’s speed sensors and throttle position sensor for faults as these can contribute to transmission issues.
  6. 6Review the vehicle's service history for any recent repairs or fluid changes that might affect the transmission.

Solution

Solution

1. Preparation

  • Gather all necessary tools and parts.
  • Disconnect the vehicle battery to ensure safety while working on electrical components.
  • Ensure the vehicle is on a level surface and securely supported using jack stands.

2. Change Transmission Fluid (if necessary)

  • Sub-steps:
    1. Remove the transmission drain plug and drain the old fluid into a suitable container.
    2. Replace the drain plug with a new gasket, torque to manufacturer specifications (typically around 30 ft-lbs).
    3. Refill the transmission with the appropriate type of fluid (refer to the owner's manual for specifications, typically Subaru ATF).

3. Inspect and Repair Wiring

  • Sub-steps:
    1. Visually inspect wiring harnesses connected to the TCM for any signs of wear or damage.
    2. Repair or replace any damaged wiring or connectors as necessary.
    3. Ensure all connections are clean and secure.

4. Replace or Reprogram TCM (if necessary)

  • Sub-steps:
    1. If diagnostics indicate a faulty TCM, remove the TCM from its mounting location (typically requires a socket set).
    2. Install the new or reprogrammed TCM, ensuring all connectors are securely attached.
    3. Reconnect the battery and perform a TCM reset or relearn procedure as specified by the manufacturer.

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
  • Torque wrench
  • Multimeter
  • Fluid pump

Parts Required

  • Transmission fluid (Subaru ATF)
  • Transmission control module (if faulty)
  • Gasket for drain plug (if applicable)

Additional Information

Error CodeP0700
Component

Transmission

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

5 items

Parts

3 items

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