P2505 — ECM/PCM Power Input Signal

What Does P2505 Mean?

P2505 is a diagnostic trouble code indicating: ECM/PCM Power Input Signal. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P2505

⚠️ Check Engine Light (MIL) illuminated
⚠️ Abnormal signal from ECM/PCM Power Input
⚠️ Related system may operate erratically
⚠️ Reduced engine performance

Common Causes

🔍 ECM/PCM Power Input producing abnormal signal
🔍 Electromagnetic interference affecting ECM/PCM Power Input signal
🔍 Wiring issue distorting ECM/PCM Power Input signal

Frequently Asked Questions

What does P2505 mean?

P2505 indicates: ECM/PCM Power Input Signal. The vehicle's computer has detected that the ECM/PCM Power Input is not operating within its expected parameters and stored this diagnostic trouble code.

Can I drive with code P2505?

You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P2505 for extended periods may cause additional problems.

How much does it cost to fix P2505?

Repair costs for P2505 typically range from $80 to $300, 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 ECM/PCM Power Input and related wiring
🔧 Replace faulty ECM/PCM Power Input

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.

P2505: ECM/PCM Power Input Signal