Description
OBD-II Trouble Code Description for P0542 Subaru
Intake Air Heater “A” Circuit High
What does this mean?
OBD2 Code P0542 Subaru 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 Subaru
– Engine Light ON (or Service Engine Soon Warning Light)
Causes
Possible causes of OBD code P0542 Subaru
– 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 Subaru 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 Subaru:
2013 Subaru WRX Concept,2013 Subaru Viziv Concept,2013 Subaru Outback,2013 Subaru Legacy,2013 Subaru Impreza,2013 Subaru BRZ,2012 Subaru XV,2012 Subaru Impreza,2011 Subaru XV Concept,2011 Subaru Outback,2011 Subaru Impreza,2011 Subaru Forester,2010 Subaru Legacy,2010 Subaru Impreza,2009 Subaru Impreza,2008 Subaru Impreza,2008 Subaru Forester,2006 Subaru Impreza,2005 Subaru R1,2005 Subaru Pleo,2004 Subaru Impreza,2004 Subaru Forester,2003 Subaru Traviq
Note:
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