Pinpoint Test BQ: The SELECTSHIFT RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
See SelectShift Gear Position. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the transmission gear display message is missing for less than 5 seconds, the IPC defaults the SelectShift RTT indicator to its last indication state (on or off), based upon the last message received.
If the transmission gear display message is missing for 5 seconds or longer, the IPC defaults the SelectShift RTT indicator off.
Possible Sources
- SelectShift concern
- Communication concern
- PCM concern
- GWM
- IPC
- BQ1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Close all doors, liftgate and hood.
- Clear all message center warnings by pressing the OK button for each warning present.
- Monitor the door ajar RTT.
- Open the driver door.
- Clear the message center popup warning.
- Monitor the door ajar RTT.
Is the door ajar RTT off with the door closed, and on with the door open?
Yes GO to BQ2 No GO to Pinpoint Test A - BQ2 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
- Ignition ON.
- Using a diagnostic scan tool, perform the IPC self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to the IPC DTC Chart. No GO to BQ3 - BQ3 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (DTCs).
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Communications Network No GO to BQ4 - BQ4 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) KOEO (KEY ON, ENGINE OFF) SELF-TEST
- Ignition ON.
- Using a diagnostic scan tool, perform the PCMKOEO self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to the Master DTC Chart. No DIAGNOSE the SelectShift. REFER to: EXTERNAL CONTROLS - 8F35/8F40 or REFER to: EXTERNAL CONTROLS - HF45