OBD Guide
ENFRDEESPT

P1E77

Hybrid/Electric Vehicle Battery 76 Circuit

P1E77 is an OBD-II diagnostic trouble code meaning: Hybrid/Electric Vehicle Battery 76 Circuit. Common causes: open or short circuit in element 76 circuit, poor contact in battery connectors. Estimated repair cost: $167–889.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167–889 (est.)

Symptoms

  • Reduced vehicle power
  • Switching to emergency mode
  • Increased fuel consumption (for hybrids)
  • Check Engine Light Illuminates
  • Reduced range (for electric vehicles)

Causes

  • Open or short circuit in element 76 circuit
  • Poor contact in battery connectors
  • High voltage battery cell failure
  • Wiring harness damage
  • Problems with the battery management module

How to Fix

  1. Diagnostics of a high-voltage system using a scanner
  2. Checking the continuity of element 76
  3. Inspect battery connectors and contacts
  4. Testing Battery Cell 76
  5. Replacing a faulty element or repairing a circuit

Related codes

P1E76P1E78P0A7F

FAQ

What does the P1E77 code mean?

P1E77 is an OBD-II diagnostic trouble code that indicates: Hybrid/Electric Vehicle Battery 76 Circuit

What causes a P1E77 error code?

The most common causes of P1E77 include: Open or short circuit in element 76 circuit; Poor contact in battery connectors; High voltage battery cell failure; Wiring harness damage.

How do I fix a P1E77 diagnostic trouble code?

To fix P1E77: Diagnostics of a high-voltage system using a scanner. Checking the continuity of element 76. Inspect battery connectors and contacts. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1E77?

Limited driving only, diagnose soon

How much does it cost to fix P1E77?

The estimated repair cost for P1E77 is $167–889. Actual cost depends on your vehicle, location, and labor rates.

FRDEESPT

See also: Russian version · NationStat