OBD Guide
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P1E50

Hybrid/Electric Vehicle Battery 37 Circuit

P1E50 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 37 Circuit. Common causes: damage to circuit 37 in the battery module, problems with contacts or connectors. Estimated repair cost: $56–556.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–556 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced vehicle power
  • Reducing electric range
  • The car may go into emergency mode
  • Error message on the dashboard

Causes

  • Damage to circuit 37 in the battery module
  • Problems with contacts or connectors
  • Battery cell failure
  • Battery Management System (BMS) Error
  • Corrosion or oxidation of contacts

How to Fix

  1. Diagnostics of a high-voltage battery using special equipment
  2. Checking continuity 37
  3. Inspection of contacts and connectors
  4. Testing individual battery cells
  5. Reflashing or replacing the BMS module if necessary

Related codes

P1E40P1E60P0A80

FAQ

What does the P1E50 code mean?

P1E50 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 37 Circuit

What causes a P1E50 error code?

The most common causes of P1E50 include: Damage to circuit 37 in the battery module; Problems with contacts or connectors; Battery cell failure; Battery Management System (BMS) Error.

How do I fix a P1E50 diagnostic trouble code?

To fix P1E50: Diagnostics of a high-voltage battery using special equipment. Checking continuity 37. Inspection of contacts and connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E50?

Limited driving only, diagnose soon

How much does it cost to fix P1E50?

The estimated repair cost for P1E50 is $56–556. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat