Description
OBD-II Trouble Code Description for P0543 Jaguar
Intake Air Heater “A” Circuit Open
What does this mean?
OBD2 Code P0543 Jaguar definition:
The engine control module (ECM) uses an intake air heater (IAH) to warm the incoming air for proper cylinder combustion. The ECM grounds the control coil of the IAH relay to energize the heater during cold operation. The ECM sends a bias voltage on diagnostic circuits one and two. If this voltage is not pulled low when the relay is OFF, or is high with the relay ON, DTC P0543 Jaguar will set. The ECM will only store info on first failure, It triggers the SES light on the second failure.
Symptoms
Possible sumptoms of OBD code P0543 Jaguar
– Engine Light ON (or Service Engine Soon Warning Light)
Causes
Possible causes of OBD code P0543 Jaguar
– Inatake air heater circuit open or shorter – Faulty intake air heater relay – Faulty intake air hearter
Possible Solutions
The OBD2 Code Information Be Applicable For Jaguar:
2013 Jaguar XJ,2013 Jaguar XF,2013 Jaguar XFR,2012 Jaguar XKR,2012 Jaguar XJ,2012 Jaguar XFR,2012 Jaguar XF,2011 Jaguar XKR,2010 Jaguar XKR,2010 Jaguar XJ,2010 Jaguar XFR,2010 Jaguar XF,2009 Jaguar XF,2008 Jaguar XJ,2007 Jaguar XKR,2007 Jaguar XK,2006 Jaguar XJ,2003 Jaguar RD6 Concept
Note:
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