TCM T8 / P0712 02
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Message appears in display.
Oil Temperature Sensor Circuit. Short to Ground.
Fault symptom
Message appears in display.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Engine running and not in limp home mode. |
Fault criteria:
| Oil temperature sensor short circuit to ground for more than 10s. |
System reaction to a fault:
| If the DTC remains during several test cycles: |
| Oil temperature not updated; indicates latest value. |
| Oil temperature set to 80 degrees. |
| Excluded Lock-Up function. |
Checking the wiring harness
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.
Diagnostic help
Diagnosis regards:
| Electrical fault in connecting leads or component. |
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |
