OBD Guide

C1377

Capacitor Malfunction

C1377 is an OBD-II diagnostic trouble code meaning: Capacitor Malfunction. Common causes: capacitor failure, short circuit in the capacitor circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Unstable engine operation
  • Problems starting the engine
  • Dashboard flashing or turning off
  • Errors in other vehicle systems

Causes

  • Capacitor failure
  • Short circuit in the capacitor circuit
  • Open capacitor circuit
  • Corroded or damaged contacts

How to Fix

  1. Conduct electrical circuit diagnostics
  2. Check the capacitor for damage
  3. Replace the faulty capacitor
  4. Check system operation after replacement

Related codes

FAQ

What does the C1377 code mean?

C1377 is an OBD-II diagnostic trouble code that indicates: Capacitor Malfunction

What causes a C1377 error code?

The most common causes of C1377 include: Capacitor failure; Short circuit in the capacitor circuit; Open capacitor circuit; Corroded or damaged contacts.

How do I fix a C1377 diagnostic trouble code?

To fix C1377: Conduct electrical circuit diagnostics. Check the capacitor for damage. Replace the faulty capacitor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1377?

Limited driving only, diagnose soon

How much does it cost to fix C1377?

The estimated repair cost for C1377 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat