BMW DTC P189F – Safety Function Transmission Range Display/Transmission Range Sensor Correlation
DTC P189F meaning on BMW
DTC P189F is a diagnostic trouble code that indicates a Safety Function Transmission Range Display/Transmission Range Sensor Correlation issue in BMW vehicles. This code specifically relates to a discrepancy between the transmission range display and the transmission range sensor readings.
BMW DTC P189F symptoms
Symptoms of DTC P189F in a BMW may include erratic shifting behavior, difficulty engaging gears, transmission slipping, or the transmission not shifting at all. Additionally, the vehicle may go into limp mode to prevent further damage.
BMW DTC P189F causes
The most common causes of DTC P189F in BMW vehicles include a faulty transmission range sensor, damaged wiring or connectors related to the sensor, or a malfunction in the transmission control module.
BMW DTC P189F seriousness
Ignoring DTC P189F in a BMW can lead to further transmission damage and potentially unsafe driving conditions. It is important to address this issue promptly to prevent more severe problems and ensure the vehicle’s safety and drivability.
How to diagnose DTC P189F on BMW
To diagnose DTC P189F on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the trouble codes and perform a thorough inspection of the transmission range sensor, wiring, and related components. Testing the sensor’s output signals and checking for any visible damage or corrosion can help pinpoint the issue.
How to fix DTC P189F on BMW
Fixing DTC P189F on a BMW often involves replacing the faulty transmission range sensor, repairing any damaged wiring or connectors, or reprogramming the transmission control module if necessary. It is recommended to follow the manufacturer’s repair procedures and use quality replacement parts to ensure a proper fix.
How to erase DTC P189F on BMW
After addressing the underlying cause of DTC P189F on a BMW, the diagnostic trouble code can be erased using a diagnostic scanner. By clearing the code, the vehicle’s onboard computer will reset the transmission system adaptations and allow for a fresh start. It is important to verify that the issue has been resolved before clearing the code to prevent it from reoccurring.
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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