BMW DTC P0744 – Torque Converter Clutch Circuit Intermittent
DTC P0744 meaning on BMW
DTC P0744 on a BMW indicates an intermittent malfunction in the torque converter clutch circuit. The torque converter clutch is a component that engages and disengages the torque converter lock-up function, which helps improve fuel efficiency and reduce heat generation in the transmission.
BMW DTC P0744 symptoms
Symptoms of DTC P0744 on a BMW may include:
- Check Engine Light illuminated
- Transmission slipping
- Harsh shifting
- Poor fuel economy
BMW DTC P0744 causes
Common causes of DTC P0744 on a BMW include:
- Faulty torque converter clutch solenoid
- Wiring issues in the torque converter clutch circuit
- Low transmission fluid level or poor quality fluid
- Internal transmission problems
BMW DTC P0744 seriousness
Ignoring DTC P0744 on a BMW can lead to further transmission damage and potential drivability issues. It is important to address this code promptly to prevent more severe problems down the line.
How to diagnose DTC P0744 on BMW
To diagnose DTC P0744 on a BMW, a mechanic may perform the following steps:
- Use a scan tool to retrieve the fault code and freeze frame data
- Inspect the torque converter clutch solenoid and wiring for damage
- Check the transmission fluid level and condition
- Perform a road test to observe the symptoms
How to fix DTC P0744 on BMW
To fix DTC P0744 on a BMW, the following steps may be taken:
- Replace the torque converter clutch solenoid if faulty
- Repair any damaged wiring in the torque converter clutch circuit
- Ensure the transmission fluid level is correct and of good quality
- If internal transmission issues are found, further diagnosis and repair may be necessary
How to erase DTC P0744 on BMW
After fixing the underlying issue causing DTC P0744 on a BMW, the fault code can be erased using a scan tool. This will clear the code from the vehicle’s memory and turn off 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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