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

P1290 Chrysler 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 Chrysler Description

Indicates a CHT sensor circuit malfunction (shorted).

Chrysler Vehicle:Chrysler 200,Chrysler 300,Chrysler 300M,Chrysler Crossfire,Chrysler PT Cruiser,Chrysler Town & Country,Chrysler Voyager