Pinpoint Test Aa : The PRND Indicator Is Never On Or Never Displays P
- Normal Operation and Fault Conditions
See PRND. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the transmission gear display or transmission gear display mode message is missing for less than 5 seconds, the PRND display remains in the last indication state (on or off), based upon the last message received.
If the transmission gear display or transmission gear display mode message is missing for 5 seconds or longer, the IPC defaults the PRND display off.
Possible Sources
- Wiring, terminals or connectors
- Communication concern
- Transmission concern
- GWM
- PCM
- IPC
Visual Inspection and Pre-checks
- Verify the vehicle is not in transport mode.
- AA1 PERFORM THE IPC (INSTRUMENT PANEL CLUSTER) SELF-TEST
- Ignition ON.
- Using a diagnostic scan tool, perform the IPC self-test.
Are any DTCs recorded?
Yes REFER to the IPC DTC Chart. Refer to Diagnostic Trouble Code (DTC) Chart No GO to AA2 - AA2 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 AA3 - AA3 PERFORM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the PCM self-test.
Are any transmission related DTCs recorded?
Yes DIAGNOSE all PCM Diagnostic Trouble Codes (DTCs). REFER to: Electronic Engine Controls . No GO to AA4 - AA4 CHECK FOR CORRECT IPC (INSTRUMENT PANEL CLUSTER) OPERATION
- Ignition OFF.
- Disconnect and inspect the IPC connector.
- Repair:
- corrosion (install new connector or terminals - clean module pins)
- damaged or bent pins - install new terminals/pins
- pushed-out pins - install new pins as necessary
- Reconnect the IPC connector. Make sure it seats and latches correctly.
- Operate the system and determine if the concern is still present.
Is the concern still present?
Yes CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new IPC. REFER to: Instrument Panel Cluster (IPC) . No The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.