P1164 – BMW DTC

BMW DTC P1164 – Barometric Pressure ‘B’ Too High

DTC P1164 meaning on BMW

DTC P1164 on a BMW indicates that the Barometric Pressure ‘B’ is too high. The Engine Control Module (ECM) monitors the barometric pressure to ensure proper engine operation. When the barometric pressure reading is higher than expected, it triggers this diagnostic trouble code.

BMW DTC P1164 symptoms

Symptoms of DTC P1164 on a BMW may include:

• Check Engine Light illuminated
• Reduced engine performance
• Decreased fuel efficiency

BMW DTC P1164 causes

The common causes of DTC P1164 on a BMW include:

• Faulty barometric pressure sensor
• Issues with the wiring or connectors related to the barometric pressure sensor
• Engine vacuum leaks

BMW DTC P1164 seriousness

While DTC P1164 may not cause immediate drivability issues, it is important to address this code promptly to prevent potential long-term engine damage and ensure optimal performance.

How to diagnose DTC P1164 on BMW

To diagnose DTC P1164 on a BMW, you can perform the following steps:

1. Use a diagnostic scanner to retrieve the fault codes and verify the presence of P1164.
2. Inspect the barometric pressure sensor and its wiring for any visible damage or corrosion.
3. Check for any engine vacuum leaks that could affect the barometric pressure readings.

How to fix DTC P1164 on BMW

To fix DTC P1164 on a BMW, you can try the following solutions:

1. Replace the faulty barometric pressure sensor.
2. Repair or replace any damaged wiring or connectors associated with the sensor.
3. Address any engine vacuum leaks by inspecting and repairing the affected components.

How to erase DTC P1164 on BMW

To erase DTC P1164 on a BMW, you can clear the fault codes using a diagnostic scanner. After addressing the underlying issue causing the code, clearing the codes will reset the Check Engine Light and monitor the system for any new faults.

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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