TCM E39 / P0604 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Message appears in display.
TCM in Limp Home.
Control module - ECU fault
Fault symptom
Message appears in display.
TCM in Limp Home.
On-board diagnosis
Type of diagnosis:
| Diagnostics run each time control module "wakes". |
Enable criteria:
Fault criteria:
| Control module on-board diagnostics has detected a RAM error. |
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:
| To locate electrical faults in the control module internal electronics. |
Functions in the diagnostic tool related to the fault:
| See menu "All - Add/Remove" |
| ____________________________________ |
| See "Before changing a control module" and "After fitting a control module" under Fault diagnosis, general. |
