OBDII Code List > P0012 HYUNDAI
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P0012 HYUNDAI
P0012 HYUNDAI - 'A' Camshaft Position- Timing Over-Retarded Or System Performance- Bank 1
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Possible causes
- Dirty Oil
- Low engine oil level
- Valve Timing Control (VTC) open or shorted circuit.
- Valve Timing Control (VTC) electrical connector
- Faulty Valve Timing Control (VTC)
- Damaged ECM
- Low engine oil level
- Valve Timing Control (VTC) open or shorted circuit.
- Valve Timing Control (VTC) electrical connector
- Faulty Valve Timing Control (VTC)
- Damaged ECM
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/Loss of power
- Engine rough idle
- Lack/Loss of power
- Engine rough idle
P0012 HYUNDAI Description
The Engine Control Module (ECM) optimizes the valve timing using the Valve Timing Control (VTC). The ECM sends a target dutyandcycle control signal to the VTC. This control signal regulates the oil pressure supplied to the VTC. The VTC can advance or retard the engine timing.
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