Diagnostic Trouble Code (DTC) Information TCM-P088513

Condition 

The Gear selector module (GSM) communicates with the Transmission control module (TCM) via an internal network, Local Interconnect Network (LIN). The Gear selector module (GSM) manages, among other things, the shift-lock function, manual shifting (+/-) and indication for the selected gear position on the gear selector's top panel.

The diagnostic trouble code (DTC) is stored if the control module detects that:

• No power supply to the gear selector module (GSM).

The control module's test for the diagnostic trouble code (DTC) starts in the event of:

• Ignition switch position II.

Substitute Value 

• None.

Possible Source 

• Open-circuit in the power supply cable.
• Internal fault in the transmission control module (TCM).

Fault symptom[s] 

• No manual gear shift
• Gear selector indicator does not function
• Text window and warning symbol/Yellow symbol and text message