C05AA — ABS Pump Motor Temperature Too High

What Does C05AA Mean?

C05AA is a diagnostic trouble code indicating: ABS Pump Motor Temperature Too 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 C05AA

⚠️ Check Engine Light (MIL) illuminated
⚠️ ABS Pump Motor Temperature Too High not functioning as expected
⚠️ Related system may be in fail-safe mode
⚠️ ABS or stability control warning light

Common Causes

🔍 Faulty ABS Pump Motor Temperature Too High
🔍 Wiring or connector issue in ABS Pump Motor Temperature Too High circuit
🔍 Related mechanical or electrical fault
🔍 ECM/PCM issue (rare)

Frequently Asked Questions

What does C05AA mean?

C05AA indicates: ABS Pump Motor Temperature Too High. The vehicle's computer has detected that the ABS Pump Motor Temperature Too High is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code C05AA?

Only short distances if absolutely necessary. C05AA affects a critical system and should be diagnosed within a few days to avoid further damage.

How much does it cost to fix C05AA?

Repair costs for C05AA typically range from $100 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 ABS Pump Motor Temperature Too High and related wiring
🔧 Replace faulty ABS Pump Motor Temperature Too High

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.

C05AA: ABS Pump Motor Temperature Too High