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U027C: Lost Communication With Off-Board Charger Control Module

Severity
Medium
System
Manufacturer-Specific Network

What Does U027C Mean?

U027C is a diagnostic trouble code indicating: Lost Communication With Off-Board Charger Control Module. This code relates to the manufacturer-specific network system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of U027C

Common Causes

Frequently Asked Questions

What does U027C mean?
U027C indicates: Lost Communication With Off-Board Charger Control Module. The vehicle's computer has detected that the Off-Board Charger Control Module is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code U027C?
You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with U027C for extended periods may cause additional problems.
How much does it cost to fix U027C?
Repair costs for U027C typically range from $80 to $1200, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

  • 🔧 Inspect CAN bus wiring to Off-Board Charger Control Module for damage
  • 🔧 Check power and ground supply to Off-Board Charger Control Module
  • 🔧 Replace failed Off-Board Charger Control Module
  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

U0200 Lost Communication With Door Control Module B U0201 Lost Communication With Door Control Module C U0202 Lost Communication With Door Control Module D U0203 Lost Communication With Door Control Module E U0204 Lost Communication With Door Control Module F U0205 Lost Communication With Door Control Module G U0206 Lost Communication With Folding Top Control Module U0207 Lost Communication With Moveable Roof Control Module A U0208 Lost Communication With Seat Control Module A U0209 Lost Communication With Seat Control Module B