Description
OBD-II Trouble Code Description for P0542 Porsche
Intake Air Heater “A” Circuit High
What does this mean?
OBD2 Code P0542 Porsche 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.
Symptoms
Possible sumptoms of OBD code P0542 Porsche
– Engine Light ON (or Service Engine Soon Warning Light)
Causes
Possible causes of OBD code P0542 Porsche
– Open or short intake air heater relay circuit condition – Intake air heater relay poor electrical connection – Faulty Intake Air Heater Relay The Error code is generally activated on detection of the following conditions: The P0542 Porsche code is detected when the Signal from the #1 intake air heater output does not match the signal input
Possible Solutions
The OBD2 Code Information Be Applicable For Porsche:
2013 Porsche Cayenne,2013 Porsche Boxster S,2013 Porsche Boxster,2013 Porsche 911,2012 Porsche Panamera,2012 Porsche 911,2011 Porsche 911,2010 Porsche Panamera,2010 Porsche Cayenne,2010 Porsche 911 GT3,2009 Porsche 911,2008 Porsche Cayenne,2008 Porsche Boxster,2008 Porsche 911,2007 Porsche Cayman,2007 Porsche Cayman,2007 Porsche Boxster,2007 Porsche Boxster,2007 Porsche 911,2006 Porsche 911,2005 Porsche Boxster S,2005 Porsche Boxster,2005 Porsche 911,2004 Porsche 911,2003 Porsche 911
Note:
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