Pinpoint Test R : Park Does Not Engage

WARNING: This page is about a different variant/trim than selected.

Normal Operation and Fault Conditions
- Park is manually released
  - Make sure park is not manually released. REFER to: Transmission Park by Wire Manual Release .
- Clutch fault
  - Once out of park, the shift-by-wire variant of the 10R transmission uses hydraulic pressure from the A, B, C, D or F clutches to hold the system out of park. If any other observable symptoms indicate one of those clutches is stuck on, RESOLVE that symptom first. REFER to: Diagnosis By Symptom .
- Park lock pawl solenoid
  - Check the park lock pawl solenoid pin for being stuck extended. REFER to: Park Lock Pawl Solenoid .
- Internal transmission park components
  - Inspect the park pawl, park pawl actuator rod, TR sensor and park return spring for damage or binding. Make sure all park components are properly installed and connected. REPAIR or INSTALL new components as necessary. REFER to: Transmission .
  - Remove and inspect the park lock pawl valve. If the valve or bore is damaged, INSTALL a new main control valve body. REFER to: Main Control Valve Body .
Possible Sources
- Park is manually released
- Clutch fault
- Internal transmission components
Diagnostic steps are not provided for this symptom or DTC. REFER to: Diagnostic Methods