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Home/Cars/BMW/5 Series/F10/F11 (2010-2017)/how to fix P0700 transmission code on BMW 5 Series F10/F11 (2010-2017)

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

BMW 5 Series F10/F11 (2010-2017)

Severity: mediumDifficulty: mediumError Code: P07002-4 hours
3 min read
517 words

Problem Statement

## Problem Statement The P0700 code indicates a generic transmission control system fault on a BMW 5 Series F10/F11 (2010-2017). This code is set when the Powertrain Control Module (PCM) detects a mal

Error Code
P0700
Repair Time
2-4 hours

Safety Warnings

  • ⚠Safety Warnings:**
  • ⚠Disconnect battery before working on electrical systems.
  • ⚠Allow the engine to cool before opening the transmission to avoid burns.

Symptoms

  • •Check engine light illuminated
  • •Transmission slipping or harsh shifting
  • •Delayed engagement when shifting into gear
  • •Loss of power during acceleration
  • •Unusual noises from the transmission

Diagnostic Steps

  1. 1Use an OBD-II scanner to retrieve all stored trouble codes.
  2. 2Inspect the transmission fluid level and condition; look for contamination or burning smell.
  3. 3Check the wiring and connectors to the transmission control module for damage or corrosion.
  4. 4Verify the operation of the transmission range sensor (neutral safety switch).
  5. 5Perform a visual inspection of the transmission for any external leaks or physical damage.
  6. 6Test the TCM for proper functionality using a multimeter.

Solution

Solution

1. Preparation

  • Gather all necessary tools and parts.
  • Disconnect the vehicle battery to prevent electrical shorts or shocks.
  • Raise the vehicle securely on jack stands.

2. Inspect Transmission Fluid

  • Remove the transmission dipstick and check fluid level.
  • If low, top off with manufacturer-approved transmission fluid.
  • If fluid is burnt or contaminated, drain fluid and replace with new fluid.

3. Check Wiring and Connectors

  • Inspect the wiring harness connected to the TCM for any signs of fraying or damage.
  • Clean any corrosion from connectors using electrical contact cleaner.
  • Reconnect any loose or damaged connectors securely.

4. Replace Transmission Range Sensor

  • Locate the transmission range sensor on the transmission.
  • Remove the electrical connector and use a socket set to unbolt the sensor.
  • Install the new sensor by reversing the removal process, ensuring proper alignment.
  • Reconnect the electrical connector securely.

5. Reprogram TCM (if applicable)

  • If the TCM has been replaced or the fluid has been changed, reprogram the TCM using a BMW diagnostic tool.
  • Follow manufacturer instructions for programming and resetting.

6. Final Assembly

  • Reconnect the battery terminals.
  • Lower the vehicle from jack stands.

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
  • Torque wrench
  • Multimeter
  • Electrical contact cleaner

Parts Required

  • Transmission fluid (manufacturer-approved)
  • Transmission range sensor (if faulty)

Additional Information

Error CodeP0700
Repair Time

2-4 hours

Difficulty

medium

Severity

medium

Tools

5 items

Parts

2 items

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