P0E37

DC/DC Converter Voltage Sensor B Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Reduced vehicle performance
Battery charging problems
Unstable operation of electrical systems
The car may go into emergency mode

Causes

Voltage sensor B fault
Damage to wiring harness or connections
Problems with DC/DC converter
Corrosion or poor contact in connectors
Control unit software error

How to Fix

Check voltage sensor B for damage
Inspect the wiring harness and connections for damage.
Check the functionality of the DC/DC converter
Clean connector contacts from corrosion
Update control unit software

Related codes

P0E36 P0E38 P0E39