TCM EDC16 / P0605 31

Read the instructions below then start the fault diagnostic procedure.

Symptom: Message appears in display. TCM in Limp Home.

P0605 31

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:

Ignition ON.

Fault criteria:

Control module on-board diagnostics has detected a ROM 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

See "Before changing a control module" and "After fitting a control module" under Fault diagnosis, general.