C056E — Brake Pedal Position Sensor Supply Voltage Circuit High

What Does C056E Mean?

C056E is a diagnostic trouble code indicating: Brake Pedal Position Sensor Supply Voltage 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 C056E

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

Frequently Asked Questions

What does C056E mean?

C056E indicates: Brake Pedal Position Sensor Supply Voltage Circuit High. The vehicle's computer has detected that the Brake Pedal Position Sensor Supply Voltage is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code C056E?

Only short distances if absolutely necessary. C056E affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix C056E?

Repair costs for C056E 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 Pedal Position Sensor Supply Voltage wiring for short to voltage
🔧 Clean or replace corroded Brake Pedal Position Sensor Supply Voltage connector
🔧 Replace faulty Brake Pedal Position Sensor Supply Voltage

1
Find your vehicle above
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2
Check for recalls
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3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

C056E: Brake Pedal Position Sensor Supply Voltage Circuit High