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

Subaru Outback 4th Generation (2010-2014)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

Error Code: P0700

3 min read

569 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 fault in Tesla Outback (2010-2014). 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 components to avoid short circuits.
•Allow the engine to cool before checking or changing transmission fluid to prevent burns.

Symptoms

•Check engine light illuminated
•Transmission not shifting properly
•Rough or jerky shifting
•Loss of power during acceleration
•Delayed engagement when shifting from park to drive/reverse

Diagnostic Steps

1
Use an OBD-II scanner to retrieve any additional trouble codes associated with the P0700 code.
2
Inspect the transmission fluid level and condition; check for any signs of contamination or burning.
3
Examine the wiring and connectors related to the transmission control module for damage or corrosion.
4
Test the transmission control module (TCM) for proper function using a multimeter.
5
Check for any signs of leaks around the transmission or related components.
6
Review any recent repairs or maintenance that could have affected the transmission system.

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
•Multimeter
•Socket set
•Transmission fluid pump
•Screwdriver

Parts Required

•Transmission fluid (ATF)
•Transmission control module (if replacement is necessary)
•Wiring harness or connectors (if damaged)

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Use an OBD-II scanner to retrieve any additional trouble codes associated with the P0700 code.
2
Inspect the transmission fluid level and condition; check for any signs of contamination or burning.
3
Examine the wiring and connectors related to the transmission control module for damage or corrosion.
4
Test the transmission control module (TCM) for proper function using a multimeter.
5
Check for any signs of leaks around the transmission or related components.
6
Review any recent repairs or maintenance that could have affected the transmission system.

Solution

1. Preparation

Gather tools and necessary parts.
Disconnect the negative battery terminal to ensure safety.

2. Inspect and Replace Transmission Fluid

Sub-steps:
- Remove the transmission fluid dipstick and check the fluid level.
- If low, add the manufacturer-recommended transmission fluid (e.g., ATF for Tesla).
- If the fluid is dark or smells burnt, perform a fluid change.
Tools Required: Transmission fluid pump, funnel.

3. Repair or Replace Wiring/Connectors

Sub-steps:
- Visually inspect the wiring harness for any signs of damage, fraying, or corrosion.
- Use a multimeter to check for continuity in the wiring.
- Repair any damaged wiring or replace connectors as necessary.
Tools Required: Multimeter, wire strippers, soldering iron (if splicing is necessary).

4. Test and Replace TCM (if necessary)

Sub-steps:
- If diagnostics indicate malfunctioning TCM, remove it by disconnecting the wiring harness and unscrewing mounting bolts.
- Install the new TCM by reversing the removal process and ensuring all connections are secure.
Tools Required: Socket set, screwdriver.

5. Reconnect Battery and Clear Codes

Sub-steps:
- Reconnect the negative battery terminal.
- Use the OBD-II scanner to clear any stored trouble codes.

6. Test Drive

Sub-steps:
- Conduct a test drive to monitor transmission operation.
- Check for any reappearance of the P0700 code or related symptoms.