Possible causes – Parking brake not applied and released during self test– Parking Brake Switch harness is open or shorted– Parking Brake Switch electrical circuit poor electrical connection– Faulty Parking Brake Switch When is the code detected? The ECM has
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1536 Information for specific makes P1536 BUICKP1536 CADILLACP1536 CHEVROLETP1536 FORDP1536 GMC
P1536 CADILLAC – A/C System – ECT Overtemperature
P1536 CHEVROLET – Engine Coolant Overtemperature – Air Conditioning (A/C) Disabled
P1536 GMC – Engine Coolant Overtemperature – Air Conditioning (A/C) Disabled
P1536 BUICK – A/C System – ECT Overtemperature