Test Notes

Diagnostic Trouble Codes
659, P1706 Transmission Range (TR) Sensor Indicating PARK During Operation
PO7O7, 667 TR Sensor, Circuit Grounded or Shorted
668, PO7O8 TR Sensor, Circuit OPEN
PO7O5/634 TR Sensor Error Detected
654 TR Sensor Not in Park

Components
- Transmission Wiring Harness, TR Sensor, Signal Return (SIG RTN).
- Powertrain control module (PCM).

NOTE: This Pinpoint Test is designed to diagnose the TR Sensor electrical system ONLY. To prevent replacement of good components, note that the following areas may be at fault:
^ Engine - Starter, starter relay
^ Electrical - Battery, ignition switch, wiring harnesses
^ Transmission - External transmission linkages