U0339 — Software Incompatibility With Body Control Module B

What Does U0339 Mean?

U0339 is a diagnostic trouble code indicating: Software Incompatibility With Body Control Module B. 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 U0339

⚠️ Check Engine Light (MIL) illuminated
⚠️ Software Incompatibility With Body Control Module B not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ Multiple warning lights on dashboard

Common Causes

🔍 Faulty Software Incompatibility With Body Control Module B
🔍 Wiring or connector issue in Software Incompatibility With Body Control Module B circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does U0339 mean?

U0339 indicates: Software Incompatibility With Body Control Module B. The vehicle's computer has detected that the Software Incompatibility With Body Control Module B is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code U0339?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with U0339 for extended periods may cause additional problems.

How much does it cost to fix U0339?

Repair costs for U0339 typically range from $100 to $500, 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 Software Incompatibility With Body Control Module B and related wiring
🔧 Replace faulty Software Incompatibility With Body Control Module B

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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.

U0339: Software Incompatibility With Body Control Module B