BMW DTC P1739 – Clutch Solenoid Communication Error
DTC P1739 meaning on BMW
DTC P1739 on a BMW indicates a clutch solenoid communication error. This fault code is specific to the transmission system and points to an issue with the communication between the transmission control module and the clutch solenoid.
BMW DTC P1739 symptoms
Symptoms of DTC P1739 on a BMW may include harsh shifting, delayed engagement when shifting gears, transmission slipping, or the transmission going into limp mode. The vehicle may also display a warning light on the dashboard indicating a transmission fault.
BMW DTC P1739 causes
The most common causes of DTC P1739 on a BMW are a faulty clutch solenoid, damaged wiring or connectors in the transmission control circuit, or a malfunctioning transmission control module. It could also be triggered by low transmission fluid levels or contaminated transmission fluid.
BMW DTC P1739 seriousness
DTC P1739 should be taken seriously as it directly affects the operation of the transmission system. Ignoring this fault code can lead to further damage to the transmission components and potentially result in costly repairs if not addressed promptly.
How to diagnose DTC P1739 on BMW
To diagnose DTC P1739 on a BMW, a diagnostic scan tool capable of reading transmission fault codes is required. The technician will need to inspect the clutch solenoid, check the wiring and connectors for any damage, and perform a thorough examination of the transmission control module. Additionally, checking the transmission fluid level and condition is essential.
How to fix DTC P1739 on BMW
Fixing DTC P1739 on a BMW may involve replacing the faulty clutch solenoid, repairing any damaged wiring or connectors, or reprogramming the transmission control module. It is crucial to address the root cause of the issue to prevent the fault code from reoccurring. Regular maintenance of the transmission system, including fluid changes, can also help prevent DTC P1739.
How to erase DTC P1739 on BMW
After fixing the underlying issue causing DTC P1739 on a BMW, the fault code can be erased using a diagnostic scan tool. The technician can clear the code from the vehicle’s memory, and if the issue has been successfully resolved, the warning light on the dashboard should no longer be illuminated.
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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