BMW DTC P184B – Internal Transmission Control Module Monitoring, Torque Down Request Too Low
DTC P184B meaning on BMW
The DTC P184B code on a BMW indicates an issue with the Internal Transmission Control Module Monitoring system, specifically related to the Torque Down Request being too low. This means that the transmission control module is detecting that the requested reduction in torque is not being achieved or is insufficient.
BMW DTC P184B symptoms
Symptoms of the DTC P184B code on a BMW may include:
- Transmission slipping
- Harsh shifting
- Lack of power
- Decreased fuel efficiency
- Illuminated Check Engine Light
BMW DTC P184B causes
Common causes of the DTC P184B code on a BMW include:
- Low transmission fluid level
- Dirty or contaminated transmission fluid
- Malfunctioning transmission control module
- Faulty torque converter
- Wiring or connection issues
BMW DTC P184B seriousness
The DTC P184B code should be addressed promptly as it can lead to further damage to the transmission if left unresolved. Ignoring this code may result in more severe transmission issues and potentially costly repairs.
How to diagnose DTC P184B on BMW
To diagnose the DTC P184B code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the transmission fluid level and condition
- Check for any visible leaks or damage to the transmission components
- Test the transmission control module for proper function
- Inspect the torque converter for any issues
How to fix DTC P184B on BMW
To fix the DTC P184B code on a BMW, the following steps may be taken:
- Top up or replace the transmission fluid if low or contaminated
- Repair any leaks or damage to the transmission system
- Replace the transmission control module if faulty
- Inspect and potentially replace the torque converter
- Ensure all wiring and connections are secure and functioning properly
How to erase DTC P184B on BMW
After fixing the underlying issue causing the DTC P184B code on a BMW, the code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and turn off the Check Engine Light. It is important to ensure that the repair has been successful before clearing the code to prevent it from reoccurring.
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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