BMW DTC P17AE – Internal Transmission Control Module Watchdog Random Access Memory (RAM) Error
DTC P17AE meaning on BMW
The DTC P17AE code on a BMW indicates an Internal Transmission Control Module Watchdog Random Access Memory (RAM) Error. This error occurs when the transmission control module detects an issue with the random access memory that stores critical data for proper transmission operation.
BMW DTC P17AE symptoms
Symptoms of the BMW DTC P17AE code may include erratic shifting behavior, transmission slipping, harsh shifting, or the transmission going into limp mode. The vehicle may also display a warning light on the dashboard indicating a transmission fault.
BMW DTC P17AE causes
The DTC P17AE code on a BMW can be caused by various factors, including a faulty transmission control module, damaged wiring or connectors, software issues, or a malfunctioning transmission sensor.
BMW DTC P17AE seriousness
The DTC P17AE code should be addressed promptly to prevent further damage to the transmission system. Ignoring this error can lead to more severe transmission issues and potential drivability problems.
How to diagnose DTC P17AE on BMW
To diagnose the DTC P17AE code on a BMW, a mechanic will typically use a diagnostic scanner to retrieve the fault codes stored in the transmission control module. They will then perform a thorough inspection of the transmission system, including checking the wiring, connectors, sensors, and the control module itself.
How to fix DTC P17AE on BMW
Fixing the DTC P17AE code on a BMW may involve repairing or replacing the transmission control module, addressing any wiring or connector issues, updating the software, or replacing a faulty sensor. It is recommended to consult with a professional mechanic or dealership for an accurate diagnosis and proper repair.
How to erase DTC P17AE on BMW
Once the underlying issue causing the DTC P17AE code has been resolved, the code can be cleared using a diagnostic scanner. The scanner can reset the fault codes stored in the transmission control module, erasing the DTC P17AE from the vehicle’s memory.
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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