OBD Guide
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P1B94

Hybrid/Electric Vehicle Battery 59 Circuit Low Voltage

P1B94 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 59 Circuit Low Voltage. Common causes: poor connections in the battery circuit, damaged wires or wiring harness. Estimated repair cost: $56–222.

Severity
🔴 High
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–222 (est.)

Symptoms

  • Hybrid system power reduction
  • Check engine light comes on
  • Reduced electric range
  • Battery charging problems

Causes

  • Poor connections in the battery circuit
  • Damaged wires or wiring harness
  • Faulty battery module
  • Problems with the battery management system

How to Fix

  1. Check connections in battery circuit
  2. Inspect the wiring harness for damage
  3. Check voltage on battery module
  4. Diagnose the battery management system
  5. Replace faulty components

Related codes

P1B95P1B96P0A7F

FAQ

What does the P1B94 code mean?

P1B94 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 59 Circuit Low Voltage

What causes a P1B94 error code?

The most common causes of P1B94 include: Poor connections in the battery circuit; Damaged wires or wiring harness; Faulty battery module; Problems with the battery management system.

How do I fix a P1B94 diagnostic trouble code?

To fix P1B94: Check connections in battery circuit. Inspect the wiring harness for damage. Check voltage on battery module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1B94?

Yes, but get it checked soon

How much does it cost to fix P1B94?

The estimated repair cost for P1B94 is $56–222. Actual cost depends on your vehicle, location, and labor rates.

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