P1253 Infiniti VTEC System Malfunction
Possible causes
– Engine oil level low
– Low engine oil pressure
– Blocked oil passage
– Faulty VCT oil control valve
– Low engine oil pressure
– Blocked oil passage
– Faulty VCT oil control valve
Tech description
If the P1253 Infiniti is present, start by checking the engine oil level and condition. Change engine oil and filter if necessary with factory recommended oil weight.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1253 Infiniti Description
The VTEC system, in conjuction with the engine control module (ECM)/powertrain control module (PCM), activates the VTEC solenoid valve to control oil pressure to the VTEC mechanism that is installed in the valve system to switch valve timing between Low and High.
If the VTEC solenoid valve has an open or short circuit, a DTC is stored.
Infiniti Vehicle:Infiniti EX35,Infiniti FX35,Infiniti FX50,Infiniti G25,Infiniti G37,Infiniti M35,Infiniti M37,Infiniti M56,Infiniti QX562013 Infiniti,2012 Infiniti,2011 Infiniti,2010 Infiniti,2009 Infiniti,2008 Infiniti,2007 Infiniti,2006 Infiniti,2005 Infiniti,2004 Infiniti,2003 Infiniti,2002 Infiniti,2001 Infiniti,2000 Infiniti,1999 Infiniti,1998 Infiniti,1997 Infiniti,1996 Infiniti,