P1290 Suzuki Cylinder Head Temperature Sensor Signal Less Than Self-Test Range

P1290 Suzuki Cylinder Head Temperature Sensor Signal Less Than Self-Test Range

Possible causes
  • Grounded circuit in CHT harness.
  • Damaged CHT sensor.
  • Improper harness connection.
  • Damaged PCM.
    • Symptoms
    – Engine Light ON (or Service Engine Soon Warning Light)
    P1290 Suzuki Description

    Indicates a CHT sensor circuit malfunction (shorted).

    Suzuki Vehicle:Suzuki XL7,Suzuki Kizashi,Suzuki Escudo,Suzuki SX4,Suzuki Wagon R,Suzuki Alto,Suzuki Cervo,Suzuki Cappuccino,Suzuki Fronte,Suzuki Grand Vitara,Suzuki Ignis,
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