P1187 BMW Code - O2 Sensor Heater Control Circuit Bank 2 Sensor 2
Quick Answer
P1187 BMW indicates O2 Sensor Heater Control Circuit Bank 2 Sensor 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
- P1187 BMW indicates O2 Sensor Heater Control Circuit Bank 2 Sensor 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.
Code P1187 BMW Description
What are the Possible Causes of the DTC P1187 BMW?
- Faulty O2 Sensor
- O2 Sensor harness is open or shorted
- O2 Sensor circuit poor electrical connection
How to Fix the DTC P1187 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 P1187 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 P1187 BMW Code
1. What are the common symptoms of OBDII code P1187 in a BMW related to the O2 Sensor Heater Control Circuit Bank 2 Sensor 2?
- Common symptoms may include poor fuel economy, rough idling, engine misfires, and the illumination of the Check Engine Light.
2. What could be causing OBDII code P1187 in a BMW, specifically related to the O2 Sensor Heater Control Circuit Bank 2 Sensor 2?
- The code P1187 is usually triggered by a faulty O2 sensor heater control circuit in Bank 2 Sensor 2, which may be caused by a damaged sensor, wiring issues, or a failed heater circuit.
3. How can I diagnose OBDII code P1187 in my BMW for the O2 Sensor Heater Control Circuit Bank 2 Sensor 2?
- Diagnosing this code typically involves using a scan tool to retrieve the fault code, checking the sensor and its wiring for damage, and testing the heater circuit for continuity and proper voltage.
4. Can I continue driving my BMW with OBDII code P1187 related to the O2 Sensor Heater Control Circuit Bank 2 Sensor 2?
- It is not recommended to drive your BMW with this code present, as it can lead to poor engine performance and potential damage over time. It's best to address the issue promptly.
5. Are there any DIY repair tips for fixing OBDII code P1187 in a BMW with the O2 Sensor Heater Control Circuit Bank 2 Sensor 2?
- DIY repair tips may include inspecting the O2 sensor and its connections for any visible damage, checking the fuse related to the sensor heater circuit, and ensuring proper electrical connections.
6. Is it necessary to replace the O2 sensor when dealing with OBDII code P1187 in a BMW, specifically related to the O2 Sensor Heater Control Circuit Bank 2 Sensor 2?
- In many cases, replacing the O2 sensor in Bank 2 Sensor 2 is necessary to resolve the P1187 code, especially if the sensor is found to be faulty or damaged during diagnosis.
7. How much does it typically cost to repair OBDII code P1187 in a BMW related to the O2 Sensor Heater Control Circuit Bank 2 Sensor 2?
- The cost of repairing this code can vary depending on the severity of the issue and whether you choose to do the repairs yourself or take your BMW to a professional mechanic. Costs may include parts and labor.
8. What are the long-term effects of ignoring OBDII code P1187 in a BMW for the O2 Sensor Heater Control Circuit Bank 2 Sensor 2?
- Ignoring this code can lead to decreased fuel efficiency, potential engine damage, and continued emission issues, which can ultimately affect the overall performance and longevity of your BMW.
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