BMW DTC P1735 – Internal Transmission Control Module Level 2 Error, Interference Counter 3 below Threshold
DTC P1735 meaning on BMW
The DTC P1735 on a BMW indicates an Internal Transmission Control Module Level 2 Error, specifically stating that the Interference Counter 3 is below the threshold. This error code is related to the transmission control module’s internal functions and communication within the transmission system.
BMW DTC P1735 symptoms
Symptoms of the DTC P1735 on a BMW may include erratic shifting behavior, transmission slipping, harsh shifting, transmission not engaging properly, or the transmission going into limp mode. The vehicle may also display a warning light on the dashboard indicating a transmission fault.
BMW DTC P1735 causes
The DTC P1735 on a BMW can be caused by issues such as a faulty transmission control module, damaged wiring or connectors in the transmission system, internal transmission component failures, or software glitches within the control module.
BMW DTC P1735 seriousness
The seriousness of the DTC P1735 on a BMW lies in the potential transmission malfunctions it can cause. Ignoring this error code can lead to further damage to the transmission system and potentially leave the vehicle inoperable.
How to diagnose DTC P1735 on BMW
To diagnose the DTC P1735 on a BMW, a professional diagnostic scan tool capable of reading transmission fault codes is needed. The technician will perform a thorough inspection of the transmission system, check for any visible damage to wiring or connectors, and conduct tests to pinpoint the root cause of the error code.
How to fix DTC P1735 on BMW
Fixing the DTC P1735 on a BMW may involve repairing or replacing the transmission control module, addressing any damaged wiring or connectors, repairing internal transmission components, or updating the control module software. It is recommended to have this repair performed by a qualified automotive technician.
How to erase DTC P1735 on BMW
To erase the DTC P1735 on a BMW, the fault code can be cleared using a diagnostic scan tool. Once the underlying issue has been addressed and fixed, the technician can clear the code to reset the transmission control module and turn off the warning light on the dashboard.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.