P1142 Jaguar HO2S12 Heater Circuit High

P1142 Jaguar HO2S12 Heater Circuit High

Possible causes
– Faulty HO2S12
– HO2S12 harness is open or shorted
– HO2S12 circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Jaguar Vehicle:Jaguar S-Type,Jaguar XF,Jaguar XJ,Jaguar XK,Jaguar XK-Series,Jaguar X-Type
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