P043C

Catalyst Temperature Sensor Circuit Low Bank 2 Sensor 2

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Reduced engine power
Increased fuel consumption
Increased emissions of harmful substances

Causes

Malfunction of the catalytic converter temperature sensor
Open or short circuit in wiring harness
Poor contact in connectors
ECU malfunction

How to Fix

Check catalytic converter temperature sensor
Check the wiring harness for damage
Check contacts in connectors
If necessary, replace the sensor or wiring harness

Related codes

P0420 P0430 P0431