Error code
OBD2 P2508
OBD2P2508
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
ECM/PCM Power Input Signal High.
Severity
highDriving may be possible but could cause further damage.
Summary
P2508 indicates that the supply voltage to the Engine Control Module (ECM) is too high, which can affect its operation.
Common Causes
- Charging system issues
Fixes
FAQ
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P2500Generator Lamp/L-Terminal Circuit Low
- P2501Generator Lamp/L-Terminal Circuit High
- P2502Charging System Voltage
- P2503Charging System Voltage Low
- P2504Charging System Voltage High
- P2505ECM/PCM Power Input Signal
- P2506ECM/PCM Power Input Signal Range/Performance
- P2507ECM/PCM Power Input Signal Low
- P2509ECM/PCM Power Input Signal Intermittent
- P2510ECM/PCM Power Relay Sense Circuit Range/Performance
- P2511ECM/PCM Power Relay Sense Circuit Intermittent
- P2512Event Data Recorder Request Circuit/ Open