P0542 OBD-II

P0542

Technical Definition:

Intake Air Heater A Circuit High

Trouble Code: P0542
Address: 0x0542
System: Powertrain
Subsystem: Vehicle Speed Control, Idle Controls, and Auxiliary Inputs
Technical Description:

Possible Causes:

Possible Symptoms:

Intake Air Heater Relay 1 High

Possible Solutions:

OBD-II Trouble Code Type:

Diagnostic Step:

Tech Notes:

– Faulty Intake Air Heater Relay
– Intake Air Heater Relay harness is open or shorted
– Intake Air Heater Relay circuit poor electrical connection

Specific Makes: