C064A — Brake Pressure Sensor M Circuit High

What Does C064A Mean?

C064A is a diagnostic trouble code indicating: Brake Pressure Sensor M Circuit High. This code relates to the chassis system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of C064A

⚠️ Check Engine Light (MIL) illuminated
⚠️ Brake Pressure Sensor M reading stuck at maximum value
⚠️ Related system operating erratically or in default mode
⚠️ ABS or stability control warning light

Common Causes

🔍 Short to voltage in Brake Pressure Sensor M wiring harness
🔍 Corroded or water-damaged Brake Pressure Sensor M connector
🔍 Faulty Brake Pressure Sensor M outputting maximum voltage
🔍 Damaged wiring rubbing against metal components
🔍 ECM/PCM internal fault (rare)

Frequently Asked Questions

What does C064A mean?

C064A indicates: Brake Pressure Sensor M Circuit High. The vehicle's computer has detected that the Brake Pressure Sensor M is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code C064A?

Only short distances if absolutely necessary. C064A affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix C064A?

Repair costs for C064A typically range from $20 to $400, 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 and repair Brake Pressure Sensor M wiring for short to voltage
🔧 Clean or replace corroded Brake Pressure Sensor M connector
🔧 Replace faulty Brake Pressure Sensor M

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.

C064A: Brake Pressure Sensor M Circuit High