B0419

Temperature Control 2 Circuit Range

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Incorrect operation of climate control
Insufficient heating or cooling of the interior
Error indication on the instrument panel

Causes

Temperature sensor malfunction
Open or short circuit in wiring harness
Problems with the control module
Contact corrosion

How to Fix

Check the temperature sensor and its connections
Check the integrity of the wiring harness
Test the control module
Replace faulty components

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