BMW DTC P079C – Transmission Friction Element ‘C’ Slip Detected
DTC P079C meaning on BMW
The Diagnostic Trouble Code (DTC) P079C for BMW indicates that the Transmission Friction Element ‘C’ has been detected to be slipping. This means that the transmission is experiencing issues with the clutch or friction material in element ‘C’, leading to improper engagement and potential slipping during operation.
BMW DTC P079C symptoms
Symptoms of DTC P079C on a BMW may include:
- Harsh shifting
- Slipping gears
- Delayed engagement
- Decreased fuel efficiency
- Check Engine Light illuminated
BMW DTC P079C causes
Common causes of DTC P079C on a BMW include:
- Worn clutch or friction material
- Low transmission fluid level
- Contaminated transmission fluid
- Malfunctioning solenoids or valves
- Internal transmission damage
BMW DTC P079C seriousness
Ignoring DTC P079C on a BMW can lead to further transmission damage and potential safety hazards. It is important to address this issue promptly to prevent more severe problems and costly repairs in the future.
How to diagnose DTC P079C on BMW
To diagnose DTC P079C 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
- Conduct a road test to observe the symptoms and behavior of the transmission
- Perform additional tests on the clutch system and related components
How to fix DTC P079C on BMW
Fixing DTC P079C on a BMW may involve the following steps:
- Replace the worn clutch or friction material in element ‘C’
- Perform a transmission fluid flush and refill with the correct specification fluid
- Repair or replace any damaged solenoids or valves
- Address any internal transmission damage as needed
- Clear the fault codes and perform a test drive to ensure proper operation
How to erase DTC P079C on BMW
To erase DTC P079C on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer system. After addressing the underlying issue causing the fault code, clearing the code will reset the Check Engine Light and allow for a fresh monitoring of the system.
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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