Pinpoint Test T : DTCS P07EC, P07ED: Notes
Refer to Transmission Controls - 6F50/6F55 for schematic and connector information.
Normal Operation and Fault Conditions
The GSM contains 3 contacts beneath the center button. If one contact is not recognized by the GSM then DTC P07EC sets.
GSM: DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| P07EC | Transmission Range Multi- Function Select Circuit | This DTC sets in continuous memory if two Brake Transmission Shift Interlock (BTSI) override switch inputs do not change state, P07EC may set. A message is displayed on the message center warning that a given range is unavailable. |
| P07EC | Transmission Range Multi- Function Select Circuit Stuck | A DTC P07ED can be set in "History", if the Center Button is held down for 30 seconds or more. If DTC P07ED is set in continuous' memory continue with the diagnostics. The GSM contains 3 contacts beneath the center button. If two or more contacts report 'closed' for 30 seconds or more, the GSM then sets DTC P07ED. |
Possible Sources
- Connectors damaged or pushed-out terminals, circuitry open, shorted to power or shorted to ground
- Brake transmission shift interlock override switch
- BCM fuse 15 (7.5A)
- GSM