Fault Code P2506
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2506
ECM/PCM Power Input Signal 'A' Low
This code indicates a low power input signal to the ECM/PCM. This can cause engine performance issues or prevent the vehicle from starting due to insufficient power supply to the computer.
Part Details
Part Name
Engine/Powertrain Control Module (ECM/PCM)
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪1000 - ₪4000
Engine Location
Engine bay or under dashboard
Symptoms
- Check Engine Light illuminated
- Starting difficulties or no start
- Sudden engine stall
- Electronic system failures
Possible Causes
- 1Short to ground in wiring
- 2Blown fuses
- 3PCM/ECM power supply relay failure
- 4Faulty Engine/Powertrain Control Module (ECM/PCM)
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