OBD Guide

P0E4B

Hybrid/EV Battery Pack Voltage Sense F Circuit Low

P0E4B is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Pack Voltage Sense F Circuit Low. Common causes: battery voltage sensor fault, damage to the measuring circuit wiring harness. Estimated repair cost: $56โ€“278.

Severity
๐Ÿ”ด High
Can you drive?
Do not drive โ€” repair immediately
Approx. repair cost
$56โ€“278 (est.)

Symptoms

  • Check Engine light comes on
  • Hybrid system power reduction
  • The car goes into emergency mode
  • Increased fuel consumption (for hybrids)
  • Reduced battery efficiency

Causes

  • Battery voltage sensor fault
  • Damage to the measuring circuit wiring harness
  • Poor contact in connectors
  • Low or faulty battery
  • Problems with the hybrid system control module

How to Fix

  1. Check the condition of the battery
  2. Inspect the voltage measurement circuit for damage
  3. Check contacts and connectors in the circuit
  4. Test voltage sensors
  5. If necessary, replace faulty components

Related codes

Error P0E4B by Vehicle Brand

FAQ

What does the P0E4B code mean?

P0E4B is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Pack Voltage Sense F Circuit Low

What causes a P0E4B error code?

The most common causes of P0E4B include: Battery voltage sensor fault; Damage to the measuring circuit wiring harness; Poor contact in connectors; Low or faulty battery.

How do I fix a P0E4B diagnostic trouble code?

To fix P0E4B: Check the condition of the battery. Inspect the voltage measurement circuit for damage. Check contacts and connectors in the circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0E4B?

Do not drive โ€” repair immediately

How much does it cost to fix P0E4B?

The estimated repair cost for P0E4B is $56โ€“278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat