AutoCodes – BMW – P1177 BMW

P1177 BMW Code - O2 Sensor Slow Response Bank 2

Quick Answer

P1177 BMW indicates O2 Sensor Slow Response Bank 2. Common causes include Faulty O2 Sensor, O2 Sensor harness is open or shorted, O2 Sensor 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: P1177 BMW indicates O2 Sensor Slow Response Bank 2.
Common causes: Common causes include Faulty O2 Sensor, O2 Sensor harness is open or shorted, O2 Sensor 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.

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Code Popularity 3,761

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

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Table of contents Created and updated by William Orellana on May 16, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1177 BMW Description

OBDII Code P1177 BMW - O2 Sensor Slow Response Bank 2 - AutoCodes.com — P1177 BMW Code - O2 Sensor Slow Response Bank 2

What does this mean?

What are the Possible Causes of the DTC P1177 BMW?

Faulty O2 Sensor
O2 Sensor harness is open or shorted
O2 Sensor circuit poor electrical connection

How to Fix the DTC P1177 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 P1177 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.

Need more information about the P1177 BMW code?

Need more information on how to fix the P1177 BMW code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1177 BMW code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1177 BMW Code

1. What are the common symptoms of OBDII code P1177 in a BMW related to the O2 Sensor Slow Response Bank 2?

- Common symptoms include decreased fuel efficiency, rough idling, poor engine performance, and potentially an illuminated Check Engine Light.

2. What could cause the O2 Sensor Slow Response Bank 2 error code (P1177) in a BMW?

- Possible causes include a faulty oxygen sensor, exhaust leaks, wiring issues, vacuum leaks, or a malfunctioning catalytic converter.

3. How can a driver diagnose the O2 Sensor Slow Response Bank 2 issue in their BMW?

- Use an OBDII scanner to retrieve the specific error code (P1177), visually inspect the oxygen sensor and related components, and check for any signs of damage or corrosion.

4. Is it safe to continue driving with the O2 Sensor Slow Response Bank 2 error code in a BMW?

- While the vehicle may still be operable, it is recommended to address the issue promptly to prevent potential damage to the engine or catalytic converter.

5. What are some repair tips for fixing the O2 Sensor Slow Response Bank 2 problem in a BMW?

- Replace the faulty oxygen sensor, repair any exhaust leaks, check and repair wiring connections, address vacuum leaks, and inspect the catalytic converter for issues.

6. Can resetting the Check Engine Light resolve the O2 Sensor Slow Response Bank 2 fault code in a BMW?

- Resetting the Check Engine Light may temporarily clear the code, but if the underlying issue is not fixed, the code is likely to reappear after driving cycles.

7. How much does it typically cost to repair the O2 Sensor Slow Response Bank 2 error in a BMW?

- The cost of repairs can vary depending on the specific issue, but it may range from $200 to $500 for parts and labor, excluding any potential additional diagnostics.

8. Is it possible to prevent the O2 Sensor Slow Response Bank 2 code from reoccurring in a BMW?

- Regular maintenance, such as timely replacement of oxygen sensors and addressing any exhaust system issues promptly, can help prevent the recurrence of this fault code.

9. Can a DIY enthusiast with basic automotive skills fix the O2 Sensor Slow Response Bank 2 issue in a BMW?

- Depending on the exact cause, some DIY enthusiasts may be able to replace the oxygen sensor or address minor issues like wiring connections, but more complex repairs may require professional assistance.

10. How long does it take to repair the O2 Sensor Slow Response Bank 2 fault code in a BMW?

- The repair time can vary based on the specific issue and the expertise of the mechanic, but it typically takes around 1-2 hours to replace an oxygen sensor or address related issues.