BMW DTC P2755 – Transmission Fluid Cooler Control Circuit High
DTC P2755 meaning on BMW
DTC P2755 on a BMW indicates a fault in the transmission fluid cooler control circuit. This code is triggered when the powertrain control module (PCM) detects a high voltage condition in the circuit that controls the transmission fluid cooler.
BMW DTC P2755 symptoms
Symptoms of DTC P2755 on a BMW may include:
- Check Engine Light illuminated
- Transmission shifting issues
- Overheating transmission
BMW DTC P2755 causes
Common causes of DTC P2755 on a BMW include:
- Faulty transmission fluid cooler control solenoid
- Short or open circuit in the wiring
- Corroded connectors
- Low transmission fluid level
BMW DTC P2755 seriousness
DTC P2755 should be addressed promptly as it can lead to transmission overheating and potential damage if left unresolved. Ignoring this fault may result in costly repairs and further transmission issues.
How to diagnose DTC P2755 on BMW
To diagnose DTC P2755 on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data.
- Inspect the transmission fluid cooler control solenoid for proper operation.
- Check the wiring and connectors for any signs of damage or corrosion.
- Verify the transmission fluid level is correct.
How to fix DTC P2755 on BMW
To fix DTC P2755 on a BMW, consider the following:
- Replace the faulty transmission fluid cooler control solenoid.
- Repair any damaged or corroded wiring and connectors.
- Ensure the transmission fluid level is at the proper level.
- Clear the fault code and test drive the vehicle to confirm the issue is resolved.
How to erase DTC P2755 on BMW
To erase DTC P2755 on a BMW, you can use a diagnostic scanner to clear the fault code from the PCM’s memory. After performing the necessary repairs, clearing the code will reset the Check Engine Light and allow you to monitor the system for any recurring issues.
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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