P0966 – BMW DTC

BMW DTC P0966 – Pressure Control Solenoid ‘B’ Control Circuit Low

DTC P0966 meaning on BMW

The Diagnostic Trouble Code (DTC) P0966 for BMW refers to the Pressure Control Solenoid ‘B’ Control Circuit Low. This code indicates that the control circuit for the pressure control solenoid ‘B’ is operating at a lower voltage level than expected.

BMW DTC P0966 symptoms

Symptoms of DTC P0966 on a BMW may include harsh shifting, delayed or erratic gear changes, transmission slipping, decreased fuel efficiency, and in some cases, the transmission may go into a fail-safe or limp mode.

BMW DTC P0966 causes

The common causes of DTC P0966 on a BMW include a faulty pressure control solenoid ‘B’, damaged wiring or connectors in the control circuit, low transmission fluid level, or a malfunctioning transmission control module.

BMW DTC P0966 seriousness

Ignoring or neglecting DTC P0966 on a BMW can lead to further damage to the transmission system, potentially resulting in costly repairs. It is important to address this issue promptly to prevent any long-term damage.

How to diagnose DTC P0966 on BMW

To diagnose DTC P0966 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a visual inspection of the pressure control solenoid ‘B’, check the wiring and connectors for any damage, and test the transmission fluid level and condition.

How to fix DTC P0966 on BMW

Fixing DTC P0966 on a BMW may involve replacing the pressure control solenoid ‘B’, repairing or replacing any damaged wiring or connectors in the control circuit, ensuring the transmission fluid level is correct, and resetting the transmission control module.

How to erase DTC P0966 on BMW

To erase DTC P0966 on a BMW, a mechanic can use a diagnostic scanner to clear the fault code from the vehicle’s memory. Once the issue has been addressed and fixed, clearing the code will reset the system and turn off the Check Engine Light.