U0250 — Lost Communication With Impact Classification System Module

What Does U0250 Mean?

U0250 is a diagnostic trouble code indicating: Lost Communication With Impact Classification System 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 U0250

⚠️ Check Engine Light (MIL) illuminated
⚠️ No communication with Impact Classification System Module
⚠️ Multiple warning lights may illuminate simultaneously
⚠️ Related system completely inoperative
⚠️ Multiple warning lights on dashboard

Common Causes

🔍 CAN bus wiring fault (open or shorted) to Impact Classification System Module
🔍 Power or ground supply issue to Impact Classification System Module
🔍 Impact Classification System Module internal failure
🔍 Water intrusion damaging module or connectors
🔍 CAN bus termination resistor fault

Frequently Asked Questions

What does U0250 mean?

U0250 indicates: Lost Communication With Impact Classification System Module. The vehicle's computer has detected that the Impact Classification System Module is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code U0250?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with U0250 for extended periods may cause additional problems.

How much does it cost to fix U0250?

Repair costs for U0250 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 Impact Classification System Module for damage
🔧 Check power and ground supply to Impact Classification System Module
🔧 Replace failed Impact Classification System Module

1
Find your vehicle above
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

U0250: Lost Communication With Impact Classification System Module