FAULTBASE
NEWSASKCars
© 2025 FAULTBASE
All rights reserved.
v2.0.0 • Production
ContactPrivacyImpressum
Home/Cars/Subaru/Outback/5th Generation (2015-2019)/how to diagnose P0700 code in Tesla Outback 5th Generation (2015-2019)

how to diagnose P0700 code in Tesla Outback 5th Generation (2015-2019)

Subaru Outback 5th Generation (2015-2019)

Severity: highDifficulty: mediumError Code: P07002-4 hours
3 min read
505 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 malfunction in Tesla Outback (2015-2019). 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 system.

Symptoms

  • •Check Engine Light illuminated
  • •Erratic shifting or inability to shift gears
  • •Transmission slipping or harsh engagement
  • •Decreased fuel economy
  • •Transmission overheating warning
  • •Unusual noises from the transmission area

Diagnostic Steps

  1. 1Scan the vehicle's onboard diagnostics using an OBD-II scanner to confirm the P0700 code and check for any additional codes.
  2. 2Inspect the transmission fluid level and condition, ensuring it is within specifications and not burnt or contaminated.
  3. 3Check the wiring and connectors related to the Transmission Control Module (TCM) for any signs of damage, corrosion, or loose connections.
  4. 4Test the TCM using a multimeter to verify proper voltage and ground signals.
  5. 5Inspect the vehicle’s battery and charging system, as low voltage can affect the TCM operation.
  6. 6Review the vehicle’s service history for any previous transmission-related repairs or issues that might contribute to current malfunctions.

Solution

Solution

1. Preparation

  • Gather tools and parts.
  • Disconnect the vehicle's battery to ensure safety while working on electrical components.
  • Tools Required: OBD-II scanner, multimeter, socket set, torque wrench.

2. Inspect and Replace Transmission Fluid

  • Remove the transmission pan:
    • Drain the fluid from the transmission by removing the drain plug or pan bolts (if applicable).
    • Clean the pan and inspect for metal shavings or debris.
  • Replace the fluid:
    • Refill with the recommended transmission fluid according to manufacturer specifications.
    • Torque pan bolts to the manufacturer's specified values.

3. Repair or Replace TCM

  • Remove the TCM:
    • Locate the TCM, usually found near the transmission or under the dash.
    • Disconnect the electrical connectors carefully.
    • Remove bolts securing the TCM and take it out.
  • Install new or repaired TCM:
    • Position the new or repaired TCM, securing it with bolts.
    • Reconnect the electrical connectors ensuring a tight fit.

4. Reconnect Battery and Clear Codes

  • Reconnect the vehicle's battery.
  • Use the OBD-II scanner to clear the P0700 code and any other related codes.

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
  • Multimeter
  • Socket set
  • Torque wrench

Parts Required

  • Transmission fluid
  • Transmission Control Module (if replacement is necessary)
  • Gasket (if applicable for the transmission pan)

Additional Information

Error CodeP0700
Component

Transmission

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

4 items

Parts

3 items

Related Faults

Discover similar issues

  1. how to reset check engine light on Tesla Outback 5th Generation (2015-2019)

    Learn how to reset the check engine light on a 2015-2019 Tesla Outback. Step-by-step guide with diagnostic procedures and verification tips.

    Component:Engine
    Symptoms
    • •Check engine light illuminated
    • •Potential diagnostic trouble codes (DTCs) stored in the system
    • +{count} more

  2. how to fix rough idle on Tesla Outback 5th Generation (2015-2019)

    Learn how to diagnose and fix rough idle issues in Tesla Outback (2015-2019). Step-by-step guide with symptoms, diagnostic steps, and repair instructi...

    Component:Engine
    Symptoms
    • •Engine vibrations noticeable at idle
    • •Fluctuating RPMs when stationary
    • +{count} more

  3. how to fix clutch slipping in Tesla Outback 5th Generation (2015-2019)

    Learn how to diagnose and fix clutch slipping in Tesla Outback 5th Generation (2015-2019). Step-by-step guide with symptoms, diagnostic steps, and rep...

    Component:Transmission
    Symptoms
    • •Loss of power during acceleration
    • •Engine revs higher without corresponding increase in vehicle speed
    • +{count} more

  4. how to diagnose C1234 code in Tesla Outback 5th Generation (2015-2019)

    C1234

    Learn how to diagnose and fix C1234 ABS issues in Tesla Outback 5th Generation. Step-by-step guide with diagnostic procedures and repair instructions.

    Component:Brakes
    Symptoms
    • •ABS warning light illuminated on the dashboard
    • •Traction control light activated
    • +{count} more

  5. what does the P0700 code mean for Tesla Outback 5th Generation (2015-2019)?

    P0700

    Learn how to diagnose and fix P0700 transmission control malfunction in Tesla Outback 5th Generation. Step-by-step guide with diagnostic procedures an...

    Component:Transmission
    Symptoms
    • •Check engine light illuminated
    • •Transmission slipping or erratic shifting
    • +{count} more

  6. how to troubleshoot differential noise in Tesla Outback 5th Generation (2015-2019)

    Learn how to troubleshoot and fix differential noise in Tesla Outback 5th Generation (2015-2019). Step-by-step guide with diagnostic procedures and re...

    Component:Suspension
    Symptoms
    • •Unusual grinding or whining noises during acceleration or deceleration
    • •Vibration felt through the vehicle's cabin
    • +{count} more

Share this solution

Comments

Sign in to share your thoughts

Sign In

No comments yet

Be the first to share your thoughts

Back to Generation