Pinpoint Test Al: The Powertrain Malfunction (Wrench) RTT (RECONFIGURABLE Telltale) Indicator Is Never Or Always On
- Normal Operation and Fault Conditions
See Powertrain Malfunction (Wrench) RTT Indicator. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the engine service required, transmission service required, 4WD service required or body service required request messages are missing or invalid for less than 5 seconds, the IPC defaults the powertrain malfunction (wrench) RTT indicator to its last state (on or off) based upon the last message received.
If the engine service required, transmission service required, 4WD service required or body service required request messages are missing for 5 seconds or longer, the IPC defaults the powertrain malfunction (wrench) RTT indicator on.
Possible Sources
- Communication concern
- Message center concern
- 4WD concern
- BCM concern
- GWM concern
- PCM concern
- IPC
- AL1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Close all doors, tailgate and the hood.
- Clear all message center warnings by pressing the OK button for each warning present.
- Monitor the door ajar RTT indicator.
- Open the driver door.
- Clear the message center popup warning.
- Monitor the door ajar RTT indicator.
Is the door ajar RTT indicator off with the door closed, and on with the door open?
Yes GO to AL2 No GO to Pinpoint Test A - AL2 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM 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 Diagnostic Trouble Code (DTC) Chart . No GO to AL3 - AL3 RETRIEVE THE RECORDED DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE BCM (BODY CONTROL MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the BCM self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to the Diagnostic Trouble Code (DTC) Chart . No GO to AL4 - AL4 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CM DTCs).
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Controller Area Network (CAN) Module Communications Network . No If the powertrain malfunction (wrench) indicator is always on, DIAGNOSE all PCM Diagnostic Trouble Codes (DTCs). REFER to the Diagnostic Trouble Code (DTC) Chart . If the powertrain malfunction (wrench) indicator is never on, the system is operating correctly at this time.