P1612

Read the instructions below then start the fault diagnostic procedure.

Symptom: Car can not be started. CHECK ENGINE lamp on.

P1612

Fault symptoms

•	Car can not be started.

•	CHECK ENGINE lamp on.

Conditions

The following conditions apply for this DTC:

•	There is no code exchange between TWICE and PSG 16. Ignition switch in start position.

Diagnostic help

There could be a bus fault or a fault in TWICE.