P2429 – BMW DTC

BMW DTC P2429 – Exhaust Gas Temperature Too High (Bank 2)

DTC P2429 meaning on BMW

DTC P2429 on a BMW indicates that the exhaust gas temperature sensor for Bank 2 is reading a temperature that is higher than the normal operating range. This could be due to various reasons such as a faulty sensor, a problem with the exhaust system, or issues with the engine management system.

BMW DTC P2429 symptoms

Symptoms of DTC P2429 on a BMW may include:

• Check Engine Light illuminated
• Reduced engine performance
• Increased fuel consumption
• Excessive exhaust smoke

BMW DTC P2429 causes

The possible causes of DTC P2429 on a BMW include:

• Faulty exhaust gas temperature sensor
• Exhaust system leaks or restrictions
• Issues with the engine management system
• Incorrect sensor readings

BMW DTC P2429 seriousness

While DTC P2429 may not cause immediate drivability issues, it is important to address this problem promptly to prevent potential damage to the engine or emissions system. Ignoring this fault could lead to more severe problems over time.

How to diagnose DTC P2429 on BMW

To diagnose DTC P2429 on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
2. Inspect the exhaust system for leaks or damage
3. Check the exhaust gas temperature sensor for proper operation
4. Verify the sensor readings with a multimeter or scan tool

How to fix DTC P2429 on BMW

To fix DTC P2429 on a BMW, you may need to:

1. Replace the faulty exhaust gas temperature sensor
2. Repair any leaks or restrictions in the exhaust system
3. Clear the fault code and reset the Check Engine Light
4. Perform a test drive to ensure the issue has been resolved

How to erase DTC P2429 on BMW

To erase DTC P2429 on a BMW, you can:

1. Use a diagnostic scanner to clear the fault code
2. Disconnect the battery for a few minutes to reset the ECU
3. Ensure that the underlying issue causing the fault code has been addressed

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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