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Home/Cars/Volkswagen/Tiguan/First Generation (2007-2018)/how to fix P0700 code on my Volkswagen Tiguan First Generation (2007-2018)

how to fix P0700 code on my Volkswagen Tiguan First Generation (2007-2018)

Volkswagen Tiguan First Generation (2007-2018)

Severity: highDifficulty: mediumError Code: P07002-4 hours
3 min read
554 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 malfunction in Volkswagen Tiguan. 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 removing the transmission fluid pan to avoid burns.

Symptoms

  • •Check engine light illuminated
  • •Erratic shifting or harsh transmission behavior
  • •Delayed engagement when shifting into gear
  • •Slipping transmission
  • •Decreased fuel efficiency
  • •Transmission fluid leaks

Diagnostic Steps

  1. 1Scan for error codes using an OBD-II scanner to check for any additional transmission-related codes.
  2. 2Inspect transmission fluid level and condition; look for signs of contamination or burning.
  3. 3Check the wiring and connectors of the Transmission Control Module (TCM) for damage or corrosion.
  4. 4Test the TCM using a multimeter to ensure it is receiving the correct voltage.
  5. 5Verify the functionality of the transmission solenoids by performing a resistance test.
  6. 6Inspect for any mechanical issues within the transmission, such as worn components or internal leaks.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface and the engine is off.
  • Disconnect the negative battery terminal.

2. Check and Replace Transmission Fluid

  • Tools Required: Socket set, transmission fluid pump, funnel.
  • Remove the transmission fluid pan by unscrewing the bolts.
  • Inspect the fluid for contaminants; if dirty or burnt, drain completely and replace with the manufacturer-recommended transmission fluid.
  • Reinstall the pan with a new gasket and torque bolts to the manufacturer specifications.

3. Inspect and Replace Transmission Control Module (if necessary)

  • Tools Required: Socket set, Torx bits, OBD-II scanner.
  • Locate the TCM, usually found near the transmission.
  • Disconnect the electrical connectors and remove the TCM from its mounting.
  • Replace with a new or refurbished TCM, ensuring all connections are secure.
  • Reconnect the negative battery terminal.

4. Test Transmission Solenoids

  • Tools Required: Multimeter, service manual.
  • Access the transmission solenoids by removing the transmission pan (if not already done).
  • Use a multimeter to check the resistance of each solenoid against the specifications in the service manual.
  • Replace any solenoids that are out of specification.

5. Clear Codes and Test Drive

  • Use an OBD-II scanner to clear the P0700 code and any other related codes.
  • Test drive the vehicle to monitor for any recurrence of the symptoms or 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
  • Socket set
  • Multimeter
  • Transmission fluid pump
  • Torque wrench

Parts Required

  • Transmission fluid (manufacturer-recommended type)
  • Transmission filter (if applicable)
  • Transmission pan gasket
  • Transmission Control Module (if needed)
  • Transmission solenoids (if needed)

Additional Information

Error CodeP0700
Component

Transmission

Repair Time

2-4 hours

Difficulty

medium

Severity

high

Tools

5 items

Parts

5 items

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