U068A — Lost Communication With Barometric Pressure Sensor C

What Does U068A Mean?

U068A is a diagnostic trouble code indicating: Lost Communication With Barometric Pressure Sensor C. 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 U068A

⚠️ Check Engine Light (MIL) illuminated
⚠️ No communication with Barometric Pressure Sensor C
⚠️ Multiple warning lights may illuminate simultaneously
⚠️ Related system completely inoperative
⚠️ System warning light illuminated

Common Causes

🔍 CAN bus wiring fault (open or shorted) to Barometric Pressure Sensor C
🔍 Power or ground supply issue to Barometric Pressure Sensor C
🔍 Barometric Pressure Sensor C internal failure
🔍 Water intrusion damaging module or connectors
🔍 CAN bus termination resistor fault

Frequently Asked Questions

What does U068A mean?

U068A indicates: Lost Communication With Barometric Pressure Sensor C. The vehicle's computer has detected that the Barometric Pressure Sensor C is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code U068A?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with U068A for extended periods may cause additional problems.

How much does it cost to fix U068A?

Repair costs for U068A 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 Barometric Pressure Sensor C for damage
🔧 Check power and ground supply to Barometric Pressure Sensor C
🔧 Replace failed Barometric Pressure Sensor C

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.

U068A: Lost Communication With Barometric Pressure Sensor C