P1668 — PCM -IDM Diagnostic Communication Error
Severity: Serious
Can you drive? With caution: limp mode possible, have it checked soon
Make: Ford
| Meaning | PCM -IDM Diagnostic Communication Error. |
| Family | Powertrain (P) |
Frequently asked questions
What does code P1668 mean?
PCM -IDM Diagnostic Communication Error. PCM -IDM Diagnostic Communication Error.
Can I keep driving with code P1668 active?
With caution: limp mode possible, have it checked soon
How do you fix code P1668?
Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.
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Where to get it fixed