P155E BMW Code - Throttle Valve Actuator 2 Position Error
Quick Answer
The Engine Control Module (ECM) monitors the Throttle Valve Actuator 2. Common causes include Faulty Throttle Valve Actuator 2, Throttle Valve Actuator 2 harness is open or shorted, Throttle Valve Actuator 2 circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P155E BMW indicates Throttle Valve Actuator 2 Position Error.
- Common causes
- Common causes include Faulty Throttle Valve Actuator 2, Throttle Valve Actuator 2 harness is open or shorted, Throttle Valve Actuator 2 circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P155E BMW Description
What are the Possible Causes of the DTC P155E BMW?
- Faulty Throttle Valve Actuator 2
- Throttle Valve Actuator 2 harness is open or shorted
- Throttle Valve Actuator 2 circuit poor electrical connection
How to Fix the DTC P155E BMW?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P155E BMW code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P155E BMW Code
1. What does the OBDII code P155E mean on a BMW?
P155E indicates a "Throttle Valve Actuator 2 Position Error," which means there is an issue with the second throttle valve actuator or its position sensor.
2. What are the common symptoms of the P155E code?
Symptoms include reduced engine performance, limp mode activation, rough idling, hesitation during acceleration, and the check engine light turning on.
3. What causes the P155E code to appear?
The code may be caused by a faulty throttle actuator, a damaged throttle position sensor, wiring issues, or a malfunction in the engine control module (ECM).
4. Can I drive my BMW with the P155E code?
While the car may still be drivable in limp mode, it is not recommended to drive for long periods as it can cause further damage or unsafe driving conditions.
5. How is the P155E code diagnosed?
A mechanic will use an OBDII scanner to confirm the code, inspect the throttle actuator and position sensor, check for damaged wiring, and perform tests on the ECM if needed.
6. How can I fix the P155E code on my BMW?
Repairs may include replacing the throttle actuator, repairing or replacing damaged wiring, cleaning the throttle body, or reprogramming/updating the ECM.
7. How much does it cost to fix the P155E code?
The repair cost varies depending on the issue but generally ranges from $300 to $1,200, with throttle actuator replacement being the most expensive part.
8. Can a dirty throttle body cause the P155E code?
Yes, a dirty or clogged throttle body can interfere with the actuator's function and trigger the P155E code.
9. Is the P155E code related to other throttle-related codes?
Yes, it may appear alongside other throttle-related codes like P0120 or P0638, which indicate similar issues with the throttle system.
10. Do I need to reset the code after repairs?
Yes, after completing the necessary repairs, the code should be cleared using an OBDII scanner to ensure the issue is resolved.
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