Pinpoint Test AY: The Powertrain Malfunction (Wrench) RTT (RECONFIGURABLE Telltale) Is Never Or Always On
- Normal Operation and Fault Conditions
See Powertrain Malfunction (Wrench) RTT. REFER to: Message Center - System Operation and Component Description .
If the transmission service required, engine service required or body service required message is missing for less than 5 seconds, the IPC defaults the powertrain malfunction (wrench) RTT to the last indication state (on or off), based upon the last message received.
If the transmission service required, engine service required or body service required message is missing for 5 seconds or longer, the IPC defaults the powertrain malfunction (wrench) RTT on.
Possible Sources
- Communication concern
- BCM concern
- GWM concern
- PCM concern
- IPC
- AY1 CHECK THE MESSAGE CENTER OPERATION
- Ignition ON.
- Close all doors, the hood and luggage compartment lid.
- 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 AY2 No GO to Pinpoint Test AO - AY2 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
- Using a diagnostic scan tool, perform the IPC self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to DTC Chart: Instrument Panel Cluster (IPC) . No GO to AY3 - AY3 PERFORM 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: Body Control Module (BCM) No GO to AY4 - AY4 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) KOEO (KEY ON, ENGINE OFF) SELF-TEST
- Using a diagnostic scan tool, perform the PCM KOEO self-test.
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to the appropriate Electronic Engine Controls article. No GO to AY5 - AY5 CHECK THE GWM (GATEWAY MODULE A) DIAGNOSTIC TROUBLE CODES (DTCS)
- Using a diagnostic scan tool, check the GWM Continuous Memory Diagnostic Trouble Codes (CMDTCs).
Are any Diagnostic Trouble Codes (DTCs) recorded?
Yes REFER to: Communications Network No If the powertrain malfunction (wrench) RTT is never on, the system is operating correctly at this time. There are currently no vehicle concerns present that require the powertrain malfunction (wrench) RTT display. If the powertrain malfunction (wrench) RTT is always on, Refer to PCM Guided Routine .