BMW DTC P1879 – Gear Selector Lever GSL4 Circuit Range/Performance
DTC P1879 meaning on BMW
The Diagnostic Trouble Code (DTC) P1879 for BMW refers to the Gear Selector Lever (GSL4) Circuit Range/Performance issue. This code indicates that there is a problem with the circuit that controls the gear selector lever, affecting its range or performance.
BMW DTC P1879 symptoms
Symptoms of DTC P1879 on a BMW may include:
- Difficulty shifting gears
- Incorrect gear selection display on the instrument cluster
- Transmission not engaging properly
- Transmission slipping
BMW DTC P1879 causes
Common causes of DTC P1879 on a BMW include:
- Faulty gear selector lever
- Wiring or connector issues in the gear selector lever circuit
- Defective transmission control module (TCM)
- Low transmission fluid level
BMW DTC P1879 seriousness
The seriousness of DTC P1879 on a BMW depends on the underlying cause. Ignoring this code can lead to further transmission problems and potential safety hazards. It is recommended to address this issue promptly to prevent further damage.
How to diagnose DTC P1879 on BMW
To diagnose DTC P1879 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the gear selector lever for any physical damage
- Check the wiring and connectors in the gear selector lever circuit for any signs of wear or corrosion
- Perform a transmission fluid level and condition check
- Test the transmission control module for proper functionality
How to fix DTC P1879 on BMW
To fix DTC P1879 on a BMW, you can try the following solutions:
- Replace the faulty gear selector lever
- Repair or replace any damaged wiring or connectors in the circuit
- Top up or replace the transmission fluid if necessary
- Reset the transmission control module and clear the fault codes
- If the issue persists, seek professional help for further diagnosis and repair
How to erase DTC P1879 on BMW
To erase DTC P1879 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the system. After addressing the underlying issue causing the code, you can reset the codes to see if the problem has been resolved. Make sure to follow the manufacturer’s instructions when clearing fault codes.
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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