Test Notes

Diagnostic Trouble Codes
P1711/636 Out of Self-Test Range
PO713/637, PO712/638Transmission Fluid Temperature Sensor Circuit Open/Grounded
P1783/657 Transmission Overtemp Indicated

Components
- Transmission Wiring Harness Transmission Fluid Temperature Sensor (TFT) Sensor Signal Return (SIG RTN).
- Powertrain Control Module.

NOTE: This Pinpoint Test is designed to diagnose the Transmission Fluid Temperature Sensor electrical system ONLY. To prevent replacement of good components, note that the following areas may be at fault:
^ Engine - Cooling
^ Electrical - Battery, wiring harnesses
^ Transmission - Internal transmission components, cooling, fluid