Diagnostic Aids
Check harness routing for a potential short to ground in circuit No. 1227. Scan tool displays transmission fluid temperature in degrees Centigrade. After transmission has been in operation, temperature should rise steadily to about 212°F (100°C) then stabilize. Test transmission sensor at various temperature levels to determine if sensor is out of calibration. See TRANSMISSION SENSOR - TEMP TO RESISTANCE chart. An out-of-calibration sensor could result in delayed shifts or TCC enabled complaint.