C0612 — Right Park Brake Actuator Control Circuit High

What Does C0612 Mean?

C0612 is a diagnostic trouble code indicating: Right Park Brake Actuator Control 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 C0612

⚠️ Check Engine Light (MIL) illuminated
⚠️ Right Park Brake Actuator 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 Right Park Brake Actuator wiring harness
🔍 Corroded or water-damaged Right Park Brake Actuator connector
🔍 Faulty Right Park Brake Actuator outputting maximum voltage
🔍 Damaged wiring rubbing against metal components
🔍 ECM/PCM internal fault (rare)

Frequently Asked Questions

What does C0612 mean?

C0612 indicates: Right Park Brake Actuator Control Circuit High. The vehicle's computer has detected that the Right Park Brake Actuator is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code C0612?

Only short distances if absolutely necessary. C0612 affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix C0612?

Repair costs for C0612 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 Right Park Brake Actuator wiring for short to voltage
🔧 Clean or replace corroded Right Park Brake Actuator connector
🔧 Replace faulty Right Park Brake Actuator

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.

C0612: Right Park Brake Actuator Control Circuit High