P0435 – BMW DTC

BMW DTC P0435 – Catalyst Temperature Sensor Circuit (Bank 2 Sensor 1)

DTC P0435 meaning on BMW

DTC P0435 indicates a malfunction in the Catalyst Temperature Sensor Circuit for Bank 2 Sensor 1 in a BMW vehicle. This fault code specifically relates to the temperature sensor located before the catalytic converter in the exhaust system of the vehicle.

BMW DTC P0435 symptoms

Symptoms of DTC P0435 in a BMW may include:

• Check Engine Light illuminated on the dashboard
• Reduced engine performance or power
• Increased fuel consumption
• Failed emissions test

BMW DTC P0435 causes

Common causes of DTC P0435 in a BMW include:

• Faulty Catalyst Temperature Sensor
• Wiring or connector issues in the sensor circuit
• Corrosion or damage to sensor components

BMW DTC P0435 seriousness

While DTC P0435 may not cause immediate drivability issues, it can lead to increased emissions and potential long-term damage to the catalytic converter if left unresolved. It is important to address this fault code promptly to maintain the vehicle’s performance and efficiency.

How to diagnose DTC P0435 on BMW

To diagnose DTC P0435 on a BMW, a mechanic may perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code
2. Inspect the wiring and connectors related to the Catalyst Temperature Sensor
3. Test the sensor’s resistance and voltage output
4. Check for any signs of physical damage or corrosion

How to fix DTC P0435 on BMW

To fix DTC P0435 on a BMW, the following steps may be taken:

1. Replace the faulty Catalyst Temperature Sensor
2. Repair or replace any damaged wiring or connectors
3. Clean or replace sensor components if necessary
4. Clear the fault code and reset the Check Engine Light

How to erase DTC P0435 on BMW

To erase DTC P0435 on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s computer system. After addressing the underlying issue causing the fault code, clearing it will reset the Check Engine Light and ensure proper operation of the vehicle.

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

Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.