OBD Guide

P0E49

Hybrid/EV Battery Pack Voltage Sense F Circuit

P0E49 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Voltage Sense F Circuit. Common causes: open or short circuit in the sensor circuit, battery voltage sensor fault. Estimated repair cost: $56โ€“278.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56โ€“278 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • The car goes into emergency mode
  • Unstable operation of the hybrid system
  • Reduced fuel efficiency

Causes

  • Open or short circuit in the sensor circuit
  • Battery voltage sensor fault
  • Problems with the Battery Management Module (BMS)
  • Corrosion of contacts in connectors
  • Wiring harness damage

How to Fix

  1. Check the continuity of the voltage sensor circuit
  2. Check the condition of connectors and contacts
  3. Test battery voltage sensors
  4. Check the operation of the battery management module
  5. Replace damaged components if necessary

Related codes

Error P0E49 by Vehicle Brand

FAQ

What does the P0E49 code mean?

P0E49 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Voltage Sense F Circuit

What causes a P0E49 error code?

The most common causes of P0E49 include: Open or short circuit in the sensor circuit; Battery voltage sensor fault; Problems with the Battery Management Module (BMS); Corrosion of contacts in connectors.

How do I fix a P0E49 diagnostic trouble code?

To fix P0E49: Check the continuity of the voltage sensor circuit. Check the condition of connectors and contacts. Test battery voltage sensors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0E49?

Limited driving only, diagnose soon

How much does it cost to fix P0E49?

The estimated repair cost for P0E49 is $56โ€“278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat