Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with the car's computer not getting the right signal from a part that helps control the transmission. It's like when a toy's remote control doesn't work because the batteries are low.
The P1750 code indicates an issue with the secondary pressure solenoid circuit in the transmission, often due to low system voltage.
The secondary pressure solenoid is responsible for regulating hydraulic pressure in the transmission. If the circuit's performance is out of range, it can affect the transmission's ability to shift gears properly. This issue is often related to low system voltage affecting the solenoid's operation.
• Transmission slipping
• Harsh or delayed shifting
• Check Engine Light on
• Low battery voltage
• Faulty secondary pressure solenoid
• Wiring issues in the solenoid circuit
Solenoid: An electromechanical device used to control fluid flow.
OBD-II: On-Board Diagnostics, a standardized system for self-diagnostics in vehicles.
• Check battery voltage and charge if necessary
• Inspect wiring and connectors for damage
• Test the secondary pressure solenoid for proper operation
• Replace or charge the battery if voltage is low
• Repair or replace damaged wiring or connectors
• Replace the secondary pressure solenoid if faulty
• Multimeter
• OBD-II scanner
• Basic hand tools
$150 - $500
Moderate
• BMW 5 Series
• BMW 7 Series
• BMW X5
• Regularly check battery health
• Inspect wiring for wear and tear
• Perform routine transmission maintenance
Transmission Performance Issue
• Avoid driving the vehicle until the issue is fixed to prevent further damage
• Consult with a professional mechanic for accurate diagnosis
Repairs may be covered under the vehicle's powertrain warranty if applicable.
This code has been associated with voltage issues in older BMW models, particularly those with aging electrical systems.
Moderate – Address promptly to avoid transmission damage.
Driving with transmission issues can lead to safety hazards and further vehicle damage.
• Engine running
• Transmission in gear
The secondary pressure solenoid is located within the transmission assembly.
Q: Can I drive with a P1750 code?
A: It's not recommended to drive with this code as it can lead to transmission damage.
Q: How do I reset the P1750 code?
A: After repairs, use an OBD-II scanner to clear the code from the vehicle's computer.
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