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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 971 (6.7L Diesel - DTCS P0305 To P063C - 2500 Hd & 3500 Hd) >> Diagnosis And Testing >> P0542-Intake Air Heater Control Circuit 1 High >> Set Condition

Set Condition

WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

With the Intake Air Heater Relay commanded on, the Powertrain Control Module (PCM) is not reading any voltage on the Intake Air Heater Relay Control Return circuit.