Error code
OBD2 P2506
OBD2P2506
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
ECM/PCM Power Input Signal Range/Performance.
Severity
moderateCan drive, but performance may be affected and there is a risk of further damage.
Summary
P2506 indicates an issue with the supply voltage range or performance of the Engine Control Module (ECM). This problem is related to the power input signal.
Common Causes
- Wiring issues
- Faulty fuses
- Engine control relay failure
Fixes
FAQ
What does P2506 mean?
P2506 indicates a problem with the supply voltage range or performance of the Engine Control Module (ECM).
How do I fix P2506?
Common fixes include checking and replacing faulty wiring, fuses, or the engine control relay.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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- P2507ECM/PCM Power Input Signal Low
- P2508ECM/PCM Power Input Signal High
- P2509ECM/PCM Power Input Signal Intermittent
- P2510ECM/PCM Power Relay Sense Circuit Range/Performance
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