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Home/Cars/Toyota/Camry/Seventh Generation (2012-2017)/how to troubleshoot P0700 code in my Toyota Camry Seventh Generation (2012-2017)

how to troubleshoot P0700 code in my Toyota Camry Seventh Generation (2012-2017)

Toyota Camry Seventh Generation (2012-2017)

Severity: highDifficulty: mediumError Code: P07002-4 hours
3 min read
485 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 control system malfunction in Toyota Camry 2012-2017. Step-by-step guide with diagnostic procedures.

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 working on the transmission fluid.

Symptoms

  • •Check engine light illuminated
  • •Harsh or erratic shifting
  • •Delayed engagement when shifting from park to drive
  • •Transmission may go into failsafe mode
  • •Poor acceleration or loss of power

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to confirm P0700 and check for any additional transmission-related codes.
  2. 2Inspect the transmission fluid level and condition; look for burnt odor or debris.
  3. 3Check the transmission wiring harness and connectors for damage or corrosion.
  4. 4Examine the transmission control module (TCM) for any visible issues.
  5. 5Perform a visual inspection of the vehicle for any external leaks around the transmission area.
  6. 6Test the TCM with a multimeter to ensure it's receiving proper voltage and ground signals.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Disconnect the vehicle battery to ensure safety while working on electrical components.

2. Inspect and Replace Transmission Fluid

  • Sub-steps:
    1. Raise the vehicle on a level surface using a jack and secure it with jack stands.
    2. Locate the transmission dipstick and remove it; check fluid level.
    3. If low, drain the old transmission fluid using a drain pan by removing the drain plug.
    4. Replace the drain plug and refill with new OEM transmission fluid, ensuring it meets Toyota specifications.
    5. Start the engine and let it run to circulate the new fluid, then recheck the level.

3. Repair or Replace Wiring and Connectors

  • Sub-steps:
    1. Inspect the wiring harness connected to the TCM for any breaks or fraying.
    2. Clean any corroded connectors with electrical cleaner.
    3. If damaged, replace the wiring harness or connectors as necessary.
    4. Ensure that all connections are secure before reassembling.

4. Check and Replace Transmission Control Module (if necessary)

  • Sub-steps:
    1. Remove the TCM from its mounting location.
    2. Visually inspect for burn marks or damage.
    3. If faulty, install a new TCM by reversing the removal process, ensuring all connectors are properly seated.

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
  • Jack and jack stands
  • Drain pan
  • Multimeter
  • Socket set

Parts Required

  • OEM transmission fluid
  • Transmission wiring harness (if damaged)
  • Transmission control module (if faulty)

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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