P07BB – BMW DTC

BMW DTC P07BB – Transmission Park Position Sensor/Switch ‘B’ Circuit Performance/Low

DTC P07BB meaning on BMW

The DTC P07BB error code on a BMW indicates an issue with the Transmission Park Position Sensor/Switch ‘B’ Circuit Performance/Low. This means that the vehicle’s onboard computer has detected a problem with the sensor or switch responsible for determining the position of the transmission gear selector in the park position.

BMW DTC P07BB symptoms

Symptoms of the DTC P07BB error code on a BMW may include:

  • Difficulty shifting gears
  • Transmission not engaging properly
  • Vehicle not starting
  • Check Engine Light illuminated

BMW DTC P07BB causes

Common causes of the DTC P07BB error code on a BMW include:

  • Faulty transmission park position sensor/switch
  • Wiring issues or loose connections
  • Corrosion or damage to sensor/switch components

BMW DTC P07BB seriousness

The DTC P07BB error code should be addressed promptly as it can lead to transmission-related issues and potentially affect the drivability of the vehicle. Ignoring this code may result in further damage to the transmission system.

How to diagnose DTC P07BB on BMW

To diagnose the DTC P07BB error code on a BMW, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Inspect the transmission park position sensor/switch for any visible damage
  3. Check the wiring and connections for any signs of wear or corrosion
  4. Perform a voltage test on the sensor/switch to ensure proper functionality

How to fix DTC P07BB on BMW

To fix the DTC P07BB error code on a BMW, the following steps may be taken:

  1. Replace the faulty transmission park position sensor/switch
  2. Repair any damaged wiring or connections
  3. Clean or replace corroded sensor/switch components
  4. Clear the fault codes and reset the Check Engine Light

How to erase DTC P07BB on BMW

To erase the DTC P07BB error code on a BMW, a diagnostic scanner can be used to clear the fault codes stored in the vehicle’s computer system. Once the issue has been addressed and fixed, the codes can be cleared to reset the Check Engine Light.

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

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