P0541 Mitsubishi Intake Air Heater Relay 1 Low
Possible causes
– Faulty Intake Air Heater Relay
– Intake Air Heater Relay harness is open or shorted
– Intake Air Heater Relay circuit poor electrical connection
– Intake Air Heater Relay harness is open or shorted
– Intake Air Heater Relay circuit poor electrical connection
Tech description
Dfuser P0541 Mitsubishi AIH Code Eliminator
What about the obd code?
The Engine Control Module (ECM) sends a bias voltage on diagnostic circuits one and two. If this voltage is not pulled low when the relay is OFF DTC P0541 Mitsubishi will set. The ECM will only store info on first failure, It triggers the SES light on the second failure.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0541 Mitsubishi Description
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.
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