Code : P0534
Make : MERCEDES-BENZ
Description : P0534 MERCEDES-BENZ Air Conditioner Refrigerant Charge Loss
Possible causes :
– A/C system low or over charge with refrigerant
– Faulty A/C refrigerant pressure sensor
– Cooling fans in-operative
– A/C refrigerant pressure sensor circuit open or shorted
– A/C refrigerant pressure sensor circuit poor electrical connection
Solutions :
– Carry out a Reset via CarDiag
– Choose a better quality fuel
– Check that the tank cap is securely closed
– Check the oil level and add more if it is lower than MAX
– Restart an Automatic diagnostic via CarDiag
– If the fault persists, you can check the “Possible causes” listed above : visually inspect (by yourself (tutorials to come) or by a professional) the wiring harness and the associated connectors, check for damaged components, and look for broken, bent, pushed, or corroded connector pins.
