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

Solution

1. Preparation

• Gather tools and materials.
• Disconnect the negative battery terminal to prevent electrical shorts.

Tools Required:

• OBD-II scanner
• Socket set
• Multimeter
• Torque wrench
• Transmission fluid

2. Inspect Transmission Fluid

• Remove the transmission dipstick and check fluid level.
• If low, top off with the manufacturer's recommended transmission fluid.
• Check fluid condition; if burnt or contaminated, a fluid change is necessary.

3. Repair Wiring and Connectors

• Visually inspect the wiring harness connected to the TCM and the transmission.
• Repair any visible damage or replace damaged connectors.

Tools Required:

• Wire strippers/crimpers
• Electrical tape or heat shrink tubing

4. Test and Replace Sensors

• Using a multimeter, test the output of the input and output speed sensors.
• If readings are outside manufacturer specifications, replace the faulty sensor.

Parts Required:

• Input speed sensor (if needed)
• Output speed sensor (if needed)

5. Reprogram or Replace TCM

• If the TCM is faulty, consult the dealer for reprogramming or replacement options.
• After installation, ensure all connections are secure.