P3191 – BMW DTC

BMW DTC P3191 – Throttle Actuator Control Motor Circuit/Open (Bank 2)

DTC P3191 meaning on BMW

DTC P3191 on a BMW indicates an issue with the Throttle Actuator Control Motor Circuit/Open in Bank 2. This fault code is specific to BMW vehicles and points to a problem with the throttle actuator control motor circuit on the second bank of cylinders.

BMW DTC P3191 symptoms

Symptoms of DTC P3191 on a BMW may include:

• Check Engine Light illuminated
• Reduced engine power
• Engine stalling or hesitation
• Difficulty accelerating

BMW DTC P3191 causes

Common causes of DTC P3191 on a BMW include:

• Faulty throttle actuator control motor
• Open or short circuit in the motor wiring
• Corrosion or poor connections in the circuit
• Defective throttle position sensor

BMW DTC P3191 seriousness

DTC P3191 should be addressed promptly as it can lead to drivability issues and potential engine damage if left unresolved. Ignoring this fault code may result in unsafe driving conditions and further complications.

How to diagnose DTC P3191 on BMW

To diagnose DTC P3191 on a BMW, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code
2. Inspect the throttle actuator control motor and wiring for any visible damage
3. Test the throttle position sensor for proper operation
4. Check for continuity and resistance in the motor circuit

How to fix DTC P3191 on BMW

To fix DTC P3191 on a BMW, the following steps may be taken:

1. Replace the faulty throttle actuator control motor
2. Repair any open or short circuits in the motor wiring
3. Clean or repair corroded connections in the circuit
4. Replace the throttle position sensor if necessary

How to erase DTC P3191 on BMW

To erase DTC P3191 on a BMW, a diagnostic scanner can be used to clear the fault code from the vehicle’s computer system. After addressing the underlying issue causing the fault code, the code can be cleared to reset the Check Engine Light.