Code :  P0537
Make :  1997_FORD_F150
Description :  P0537 1997 FORD F150 A/C Evaporator Temperature Circuit Low Input
Possible causes : 
   – Faulty A/C Evaporator Temperature Sensor
   – A/C Evaporator Temperature Sensor harness is open or shorted
   – A/C Evaporator Temperature Sensor circuit poor electrical connection
   – Damaged PCM
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.
