OBD Guide

P0E37

DC/DC Converter Voltage Sensor B Range/Performance

P0E37 is an OBD-II diagnostic trouble code meaning: DC/DC Converter Voltage Sensor B Range/Performance. Common causes: voltage sensor b fault, damage to wiring harness or connections. Estimated repair cost: $17–56.

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

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

Related codes

Error P0E37 by Vehicle Brand

FAQ

What does the P0E37 code mean?

P0E37 is an OBD-II diagnostic trouble code that indicates: DC/DC Converter Voltage Sensor B Range/Performance

What causes a P0E37 error code?

The most common causes of P0E37 include: Voltage sensor B fault; Damage to wiring harness or connections; Problems with DC/DC converter; Corrosion or poor contact in connectors.

How do I fix a P0E37 diagnostic trouble code?

To fix P0E37: Check voltage sensor B for damage. Inspect the wiring harness and connections for damage.. Check the functionality of the DC/DC converter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0E37?

Yes, but get it checked soon

How much does it cost to fix P0E37?

The estimated repair cost for P0E37 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat