P0435

Catalyst Temperature Sensor Circuit Bank 2 Sensor 1

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Engine transition to emergency mode

Causes

Open or short circuit in the sensor wiring harness
Malfunction of the μm catalyst temperature sensor
Corrosion or poor contact in sensor connectors
Problems with Ferd engine control unit

How to Fix

Check the integrity of the wiring harness and connector
Measure the resistance and voltage of the catalyst temperature sensor (compare with factory parameters)
Replace the catalyst temperature sensor if it is faulty
Carry out diagnostics of the engine control unit if you suspect its failure

Related codes

P0420 P0430 P2096