U069D — Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 4

What Does U069D Mean?

U069D is a diagnostic trouble code indicating: Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 4. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of U069D

⚠️ Check Engine Light (MIL) illuminated
⚠️ No communication with Exhaust Gas Temperature Sensor Bank 2 Sensor 4
⚠️ Multiple warning lights may illuminate simultaneously
⚠️ Related system completely inoperative
⚠️ System warning light illuminated

Common Causes

🔍 CAN bus wiring fault (open or shorted) to Exhaust Gas Temperature Sensor Bank 2 Sensor 4
🔍 Power or ground supply issue to Exhaust Gas Temperature Sensor Bank 2 Sensor 4
🔍 Exhaust Gas Temperature Sensor Bank 2 Sensor 4 internal failure
🔍 Water intrusion damaging module or connectors
🔍 CAN bus termination resistor fault

Frequently Asked Questions

What does U069D mean?

U069D indicates: Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 4. The vehicle's computer has detected that the Exhaust Gas Temperature Sensor Bank 2 Sensor 4 is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code U069D?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with U069D for extended periods may cause additional problems.

How much does it cost to fix U069D?

Repair costs for U069D typically range from $80 to $800, 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 Exhaust Gas Temperature Sensor Bank 2 Sensor 4 for damage
🔧 Check power and ground supply to Exhaust Gas Temperature Sensor Bank 2 Sensor 4
🔧 Replace failed Exhaust Gas Temperature Sensor Bank 2 Sensor 4

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.

U069D: Lost Communication With Exhaust Gas Temperature Sensor Bank 2 Sensor 4