OBD Guide

P0B50

Hybrid/EV Battery Voltage Sense E Circuit Range/Performance

P0B50 is an OBD-II diagnostic trouble code meaning: Hybrid/EV Battery Voltage Sense E Circuit Range/Performance. Common causes: faulty battery voltage sensors, damage to the measuring circuit wiring harness. 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
  • Reducing electric range
  • Incorrect battery level readings
  • The vehicle goes into emergency mode

Causes

  • Faulty battery voltage sensors
  • Damage to the measuring circuit wiring harness
  • Poor contact in connectors
  • Problems with the battery management module
  • Battery cell degradation

How to Fix

  1. Check the condition of the voltage sensors
  2. Inspect the wiring harness for damage
  3. Check connections and contacts in the circuit
  4. Test the battery management module
  5. Diagnose the battery condition

Related codes

Error P0B50 by Vehicle Brand

FAQ

What does the P0B50 code mean?

P0B50 is an OBD-II diagnostic trouble code that indicates: Hybrid/EV Battery Voltage Sense E Circuit Range/Performance

What causes a P0B50 error code?

The most common causes of P0B50 include: Faulty battery voltage sensors; Damage to the measuring circuit wiring harness; Poor contact in connectors; Problems with the battery management module.

How do I fix a P0B50 diagnostic trouble code?

To fix P0B50: Check the condition of the voltage sensors. Inspect the wiring harness for damage. Check connections and contacts in the circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0B50?

Limited driving only, diagnose soon

How much does it cost to fix P0B50?

The estimated repair cost for P0B50 is $56โ€“278. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat