P2505
ECM/PCM Power Input Signal
P2505 is an OBD-II diagnostic trouble code meaning: ECM/PCM Power Input Signal. Common causes: damaged or corroded ecm/pcm power wires, ecm/pcm power relay malfunction. Estimated repair cost: $6–167.
Symptoms
- Check Engine Light Is On
- Unstable engine operation
- Problems starting the engine
- Reduced engine power
- Errors in other vehicle systems
Causes
- Damaged or corroded ECM/PCM power wires
- ECM/PCM power relay malfunction
- Problems with the power fuse
- Unstable voltage from generator
- Malfunction of the control unit itself
How to Fix
- Check the continuity of the ECM/PCM power supply fuses.
- Inspect and check ECM/PCM power wires for damage
- Check ECM/PCM power relay
- Diagnose generator operation
- If necessary, replace the control unit
Related codes
Error P2505 by Vehicle Brand
FAQ
What does the P2505 code mean?
P2505 is an OBD-II diagnostic trouble code that indicates: ECM/PCM Power Input Signal
What causes a P2505 error code?
The most common causes of P2505 include: Damaged or corroded ECM/PCM power wires; ECM/PCM power relay malfunction; Problems with the power fuse; Unstable voltage from generator.
How do I fix a P2505 diagnostic trouble code?
To fix P2505: Check the continuity of the ECM/PCM power supply fuses.. Inspect and check ECM/PCM power wires for damage. Check ECM/PCM power relay. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2505?
Do not drive — repair immediately
How much does it cost to fix P2505?
The estimated repair cost for P2505 is $6–167. Actual cost depends on your vehicle, location, and labor rates.
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