P2230 – BMW DTC

BMW DTC P2230 – Barometric Pressure Sensor ‘A’ Circuit Intermittent/Erratic

DTC P2230 meaning on BMW

DTC P2230 on a BMW indicates an intermittent or erratic signal from the Barometric Pressure Sensor ‘A’ circuit. The Engine Control Module (ECM) monitors the barometric pressure sensor to ensure proper engine performance and emissions control. An intermittent or erratic signal from this sensor can lead to drivability issues and increased emissions.

BMW DTC P2230 symptoms

Symptoms of DTC P2230 on a BMW may include:

• Check Engine Light illuminated
• Reduced engine performance
• Increased fuel consumption
• Rough idling or stalling

BMW DTC P2230 causes

Common causes of DTC P2230 on a BMW include:

• Faulty barometric pressure sensor
• Wiring or connector issues in the sensor circuit
• Intermittent electrical connection problems

BMW DTC P2230 seriousness

While DTC P2230 may not cause immediate drivability issues, it can lead to reduced engine performance and increased emissions over time. Ignoring this fault code can result in further damage to engine components and may lead to a failed emissions test.

How to diagnose DTC P2230 on BMW

To diagnose DTC P2230 on a BMW, follow these steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data.
2. Inspect the barometric pressure sensor and its wiring for any visible damage or corrosion.
3. Check the sensor’s voltage and resistance values using a multimeter.
4. Perform a smoke test to check for vacuum leaks that could affect the sensor’s readings.

How to fix DTC P2230 on BMW

To fix DTC P2230 on a BMW, consider the following steps:

1. Replace the barometric pressure sensor if it is found to be faulty.
2. Repair any damaged wiring or connectors in the sensor circuit.
3. Clean or replace the air filter to ensure accurate sensor readings.
4. Clear the fault code using a diagnostic scanner after making repairs.

How to erase DTC P2230 on BMW

To erase DTC P2230 on a BMW, follow these steps:

1. Connect a diagnostic scanner to the vehicle’s OBD-II port.
2. Select the option to clear fault codes from the ECM’s memory.
3. Follow the on-screen prompts to confirm the deletion of the fault code.
4. Start the engine and ensure the Check Engine Light is no longer illuminated.

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

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