P1666

Immobilisation ECU Interface - Message Fault

P1666 - Immobilisation ECU interface fault.: Last occurrence - minimum signal

Possible causes:
1. Harness Integrity.
2. Connectors C0331, C0059.
3. Immobilisation ECU.

1. Harness Integrity.
CIRCUIT_INTEGRITY
Check for open circuit, short circuit to ground, supply or other circuit, damaged or unlatched connector, intermediate connectors or headers

2. Connectors C0331, C0059.
CONNECTOR
Check for connector not correctly latched, backed out pins, damaged pins, corroded pins

3. Immobilisation ECU.
No detail available for this fault