BMW DTC P1A75 – Electric/Auxiliary Transmission Fluid Pump Voltage Sensor Circuit High
DTC P1A75 meaning on BMW
DTC P1A75 on a BMW indicates an issue with the Electric/Auxiliary Transmission Fluid Pump Voltage Sensor Circuit registering a high voltage reading. This sensor is responsible for monitoring the voltage levels in the transmission fluid pump system.
BMW DTC P1A75 symptoms
Symptoms of DTC P1A75 in a BMW may include erratic shifting behavior, transmission slipping, harsh shifting, or the transmission going into limp mode. Additionally, the vehicle’s check engine light may illuminate.
BMW DTC P1A75 causes
The high voltage sensor circuit reading in the Electric/Auxiliary Transmission Fluid Pump of a BMW can be triggered by various factors. Common causes include a faulty transmission fluid pump, damaged wiring or connectors in the sensor circuit, or a malfunctioning voltage sensor.
BMW DTC P1A75 seriousness
Ignoring DTC P1A75 in a BMW can lead to further damage to the transmission system, potentially resulting in costly repairs. It is crucial to address this issue promptly to prevent any long-term consequences.
How to diagnose DTC P1A75 on BMW
To diagnose DTC P1A75 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes from the vehicle’s computer system. They would then inspect the Electric/Auxiliary Transmission Fluid Pump, check the wiring and connectors for any visible damage, and test the voltage sensor for proper functionality.
How to fix DTC P1A75 on BMW
Fixing DTC P1A75 on a BMW may involve replacing the faulty Electric/Auxiliary Transmission Fluid Pump, repairing any damaged wiring or connectors in the sensor circuit, or replacing the malfunctioning voltage sensor. It is recommended to follow the manufacturer’s repair procedures and use genuine parts for a reliable fix.
How to erase DTC P1A75 on BMW
Once the underlying issue causing DTC P1A75 on a BMW has been resolved, the fault codes can be cleared using a diagnostic scanner. By clearing the codes, the check engine light should turn off, indicating that the problem has been addressed successfully.
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.