how to fix P0700 code in BMW 5 Series F10/F11 (2010-2017)

Solution

1. Preparation

• Gather tools and parts needed for repair.
• Ensure the vehicle is parked on a level surface, and the engine is cool.

2. Check and Replace Transmission Fluid

• Sub-steps:

  1. Locate the transmission dipstick or fill plug.
  2. Remove the dipstick or fill plug and check the fluid level.
  3. If low, add the appropriate transmission fluid (refer to the owner’s manual for specifications).
  4. If the fluid is dark or smells burnt, proceed to drain and replace.

• Tools Required:

  • Socket set
  • Fluid pump
  • Transmission fluid (specified type)

3. Inspect and Repair Wiring

• Sub-steps:

  1. Locate the TCM and wiring harness.
  2. Visually inspect for frayed wires or loose connectors.
  3. If damage is found, repair or replace the wiring as necessary.

• Tools Required:

  • Wire strippers/crimpers
  • Electrical tape

4. Replace Transmission Control Module (if necessary)

• Sub-steps:

  1. Disconnect the battery before handling electrical components.
  2. Remove the TCM from its mounting location.
  3. Disconnect the wiring harness from the module.
  4. Install the new TCM by connecting the wiring harness and securely mounting it.
  5. Reconnect the battery.

• Tools Required:

  • Ratchet and socket set
  • Torque wrench (specific torque values refer to service manual)