TCM E39 / P081A 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: The engine may not start.
P/N Signal to ECM, Open/Short to Ground
Fault symptom
The engine may not start.
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Battery voltage must be between 9 - 18 V. |
| Selector lever in position D. |
Fault criteria:
| Control module output short-circuit to ground. |
| Open circuit in control module output. |
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
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |
