P058C

Battery Monitor Module Temperature Monitoring Performance

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Dashboard warning
Reduced battery charging efficiency
Problems starting the engine in cold weather

Causes

Battery temperature sensor malfunction
Open or short circuit in wiring harness
Problems with the Battery Monitor Module (BMM)
Contact corrosion

How to Fix

Check the integrity of the wiring harness to the temperature sensor
Check the resistance of the temperature sensor
Diagnose the BMM module on the scanner
If necessary, replace the sensor or module

Related codes

P0562 P0563 P058B